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Dentistry Presentation templates

Some people are afraid to go to the dentist... it's okay, it's normal to relax you and show you that dentists are highly trained professionals who only want your teeth to look perfect, we have prepared a collection of google slides and powerpoint templates on dentistry. let's go for the dream smile.

Dental Infographics

It seems that we always fear visiting the dentist, but the truth is that taking care of our oral health is a work that we all appreciate. Having good hygiene guidelines is essential to avoid diseases. And to convey these tips we have created this dental themed template, with illustrations...

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Do you need a new challenge in your career? Before you start looking for a job, make sure you have a resume that lives up to your expectations, as it will be your presentation letter. Today we bring you a proposal specially created for dentists, although you can adapt it...

Formal Odontology

Going to the dentist regularly is a good choice for not only your buccal health, but also your overall health. If you’ve dedicated your life to odontology and want to present your clinic to new clients or investors, this template is the perfect option. You already know the importance of...

Tooth Fairy Wish List for Kids

Oh, a tooth fell out! You know what that means right? The Tooth Fairy is coming tonight to give you a gift for being so brave! Surprise the kids in your life with an extraordinary Tooth Fairy wishlist presentation! With this printable template, they can create a magical Tooth Fairy...

Health Sciences & Technologies Major for College: Dental Hygiene

Teeth make up our beautiful smiles, we must take care of them and keep them clean! Well, and for many other reasons not only aesthetic, but they are also very important for digestion, for example. To keep them clean, in addition to washing them several times a day, it is...

Pediatric Dentistry Center

Download the "Pediatric Dentistry Center" presentation for PowerPoint or Google Slides. Hospitals, private clinics, specific wards, you know where to go when in need of medical attention. Perhaps there’s a clinic specialized in treating certain issues, or a hospital in your area that is well-known for its state-of-the-art technology. How...

Oral Cavity Diseases: Periodontitis

Download the "Oral Cavity Diseases: Periodontitis" presentation for PowerPoint or Google Slides. Taking care of yourself and of those around you is key! By learning about various illnesses and how they are spread, people can get a better understanding of them and make informed decisions about eating, exercise, and seeking...

Dental Trauma Clinical Case

9 out of 10 dentists recommend this template. What happens with the last dentist who doesn’t recommend it? Well, most probably they haven’t discovered its abstract design combining blue and white, its slides full of resources for medical experts, its graphs, infographics and tables… having an organized and clear presentation...

Pediatric Dentistry Clinical Case

As you've probably guessed, pediatric dentistry combines the two branches into one: these professionals carry out dentistry services to children. Maybe your kid is growing crooked teeth? You can pay a visit to the doctor and find out why. If, on the other hand, you're one of these professionals, you...

Health Sciences & Technologies Major for College: Dentistry

Dentistry is a fantastic choice for a college major, and this template can help you make the point convincingly. Its design features black text over a light blue background, but what gives it a unique visual identity are its many illustrations of dentists and their tools. Combined with photos and...

Dental Anatomy

Download the "Dental Anatomy" presentation for PowerPoint or Google Slides. Healthcare goes beyond curing patients and combating illnesses. Raising awareness about diseases, informing people about prevention methods, discussing some good practices, or even talking about a balanced diet—there are many topics related to medicine that you could be sharing with...

Dental Health Center

Download the "Dental Health Center" presentation for PowerPoint or Google Slides. Hospitals, private clinics, specific wards, you know where to go when in need of medical attention. Perhaps there’s a clinic specialized in treating certain issues, or a hospital in your area that is well-known for its state-of-the-art technology. How...

Dental Prosthesis Clinic

Where do people go to have their missing teeth replaced or their damaged ones repaired with artificial appliances? To your dental clinic! Dentures, bridges, and implants... your services are in demand, so it's time to attract more potential patients. Customize this blue template (as always, blue is the color of...

Dental Care and Oral Hygiene - Pre-K

Download the "Dental Care and Oral Hygiene - Pre-K" presentation for PowerPoint or Google Slides and create big learning experiences for the littlest students! Dynamic and adorable, this template provides the visual stimuli that Pre-K students thrive on and makes your lessons more playful and exciting — after all, Pre-K...

Dental Clinic

Did you know that more than 70 types of bacteria can be found in your mouth? Dental care is very important for our health, so if you’re looking to promote your medical services at your dental clinic, this free template can make wonders!

Health Administration & Assisting Major for College: Dental Assisting

Do you like odontology, but you'd rather not be the one pulling out teeth? You can be a dental assistant and perform many tasks that help dentists do their job! Let's see if we can pique your interest with this template. It has round and soft shapes in pastel tones,...

Oral Cavity Diseases: Gingivitis

Download the "Oral Cavity Diseases: Gingivitis" presentation for PowerPoint or Google Slides. Taking care of yourself and of those around you is key! By learning about various illnesses and how they are spread, people can get a better understanding of them and make informed decisions about eating, exercise, and seeking...

Importance of Oral Health Conference

The mouth is the gateway to our digestive system and an integral part of our ability to speak, eat, and smile with confidence. Maintaining good oral hygiene is essential to prevent common dental problems such as cavities, gingivitis, and gum disease. So it's clear as day: brush your teeth and...

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121+ Interesting Dental Research Topics for Undergraduates

Did you know poor oral health can be linked to heart disease? It’s true! This surprising fact underscores the importance of dental research in maintaining overall health and well-being. 

Understanding the intricate connections between oral health and systemic conditions like heart disease highlights the critical role of research in advancing our knowledge and improving patient outcomes. 

In this blog, we will delve into various dental research topics tailored specifically for undergraduates, providing insights, resources, and inspiration to explore this fascinating field further. 

Whether you’re passionate about dentistry or simply curious about the intersection of oral health and overall wellness, join us as we uncover the exciting possibilities in dental research for undergraduates.

What is Dental Research Topic?

Table of Contents

A dental research topic is a subject of study within the field of dentistry that aims to explore, investigate, and analyze various aspects related to oral health, dental care, and dental treatments. 

These topics cover a wide range of areas, including but not limited to dental diseases, preventive measures, treatment methods, oral hygiene practices, dental technology advancements, and the impact of oral health on overall well-being. 

Dental research topics provide opportunities for scholars, researchers, and students to contribute to the advancement of dental science, improve patient care, and address current challenges in oral health care.

Importance of Dental Research Topics for Undergraduates

Dental research topics are essential for undergraduates for several reasons:

Skill Development

Engaging in dental research topics helps undergraduates develop critical thinking, problem-solving, and analytical skills essential for their academic and professional growth.

Contribution to Knowledge

Undertaking research allows undergraduates to contribute to the existing body of knowledge in dentistry, advancing the field and addressing emerging challenges.

Career Preparation

Research experience enhances students’ competitiveness for dental school admissions, graduate programs, and future careers in academia, clinical practice, or research institutions.

Practical Application

Research topics offer undergraduates the opportunity to apply theoretical knowledge gained in the classroom to real-world scenarios, fostering a deeper understanding of dental concepts and techniques.

Professional Networking

Engaging in research exposes undergraduates to collaboration with peers, faculty, and professionals, facilitating valuable networking opportunities within the dental community.

Popular Dental Research Topics for Undergraduates

Dental research topics for undergraduates encompass a wide range of areas within dentistry. Here are some examples across different subfields:

Dental Diseases

• The role of genetics in the development of periodontal disease.
• Strategies for early detection and prevention of dental caries.
• Investigating the link between diabetes and periodontal disease.
• Factors influencing the prevalence of oral cancer among different demographics.
• Impact of dietary habits on the occurrence of enamel erosion.
• Effectiveness of fluoride in preventing dental decay.
• The role of saliva in maintaining oral health and preventing diseases.
• Trends in the prevalence of temporomandibular joint disorders.
• Oral manifestations of systemic diseases: A comprehensive review.
• Investigating the relationship between oral health and overall systemic health.
• The effectiveness of probiotics in preventing oral infections.
• Psychological factors influencing dental anxiety and its management.

Dental Treatments

• Comparison of different types of dental implants: Materials, techniques, and success rates.
• Advancements in minimally invasive techniques for dental restoration.
• Comparative analysis of traditional braces versus clear aligners in orthodontic treatment.
• The role of lasers in various dental procedures: Benefits and limitations.
• Innovations in endodontic treatment: From rotary instruments to regenerative techniques.
• Efficacy of different whitening agents in professional and over-the-counter dental bleaching.
• The impact of COVID-19 on dental practice: Adaptations, challenges, and future implications.
• Investigating the use of stem cells in dental tissue regeneration.
• Comparative study of different materials used in dental restorations: Strength, durability, and aesthetics.
• Exploring the potential of 3D printing technology in prosthodontics and oral surgery.
• Patient satisfaction and outcomes following different types of orthognathic surgeries.
• Long-term success rates of various techniques in root canal therapy.

Oral Health Promotion and Education

• Effectiveness of school-based oral health education programs in improving children’s oral hygiene.
• Strategies for promoting oral health in underserved communities: Challenges and solutions.
• Role of social media and technology in disseminating oral health information.
• Impact of community water fluoridation on dental caries prevention.
• The role of parents and caregivers in establishing children’s oral hygiene habits.
• Cultural influences on oral health beliefs and practices: Implications for public health campaigns.
• Effectiveness of motivational interviewing in promoting behavior change for better oral health.
• Investigating the efficacy of school-based dental sealant programs.
• Oral health literacy among different populations: Assessments and interventions.
• The role of dentists in advocating for policies promoting oral health equity.
• Strategies for improving oral health outcomes among elderly populations.
• Integrating oral health education into primary care settings: Opportunities and challenges.

Dental Materials and Biomaterials

• Biocompatibility of dental materials: Assessing safety and long-term effects.
• Development of antimicrobial dental materials to prevent biofilm formation.
• Investigating the mechanical properties of novel dental composites.
• Bioactive materials in dentistry: Applications and clinical implications.
• Biodegradable materials for temporary dental restorations.
• Nanotechnology in dentistry: Potential applications and future directions.
• Development of remineralizing agents for the management of dental caries.
• Investigating the properties and applications of dental ceramics.
• Biomimetic materials in dentistry: Mimicking natural tooth structure for improved outcomes.
• Sustainable practices in dental material manufacturing and disposal.
• Advances in adhesive systems for bonding dental restorations.
• Biomechanical properties of dental implant materials: Enhancing stability and osseointegration.

Oral Microbiology and Immunology

• Microbiome of the oral cavity: Composition, dynamics, and role in health and disease.
• Host-pathogen interactions in periodontal diseases: Insights into disease progression.
• Immunological responses to dental biofilms and their implications for treatment.
• Role of probiotics in modulating oral microbiota and preventing dental diseases.
• Viral infections in dentistry: From herpesviruses to SARS-CoV-2.
• Impact of antimicrobial resistance on dental infections and treatment outcomes.
• Microbial ecology of dental plaques in different oral environments.
• Oral manifestations of HIV/AIDS: Diagnosis, management, and implications.
• Biofilm formation on dental implant surfaces: Prevention and management strategies.
• Innate and adaptive immune responses in oral mucosal diseases.
• Virulence factors of oral pathogens and their role in disease progression.
• Immunomodulatory properties of dental materials and their impact on tissue response.

Dental Public Health

• Epidemiology of dental diseases: Trends, disparities, and risk factors.
• Health promotion strategies for improving access to dental care in rural areas.
• Oral health inequalities among different socioeconomic groups: Causes and solutions.
• Cost-effectiveness of preventive dental interventions: A systematic review.
• Integrating oral health into primary care: Models of collaborative practice.
• Tele-dentistry: Opportunities and challenges for improving access to dental care.
• Oral health surveillance systems: Monitoring trends and assessing needs.
• Assessing the effectiveness of community water fluoridation programs.
• Role of dental professionals in addressing oral health disparities.
• Impact of environmental factors on oral health outcomes: Pollution, climate change, and urbanization.
• Dental workforce issues: Distribution, shortages, and workforce diversity.
• Oral health policies and advocacy: Strategies for promoting legislative change.

Pediatric Dentistry

• Early childhood caries: Risk factors, prevention, and management strategies.
• Behavior management techniques in pediatric dentistry: Evidence-based approaches.
• Oral health outcomes of children with special healthcare needs: Challenges and interventions.
• Dental trauma in children: Prevention, diagnosis, and treatment.
• Assessment of dental fear and anxiety in pediatric patients: Tools and interventions.
• Maternal and child oral health: Prenatal factors influencing dental health outcomes.
• Dental developmental anomalies: Diagnosis, management, and long-term implications.
• Effectiveness of fluoride varnish application in preventing dental caries in children.
• Impact of nutrition and dietary habits on pediatric oral health.
• Pediatric sedation techniques in dentistry: Safety, efficacy, and guidelines.
• Orthodontic considerations in pediatric dentistry: Early intervention and treatment planning.
• Pediatric dental emergencies: Management and prevention strategies.

Oral and Maxillofacial Surgery

• Outcomes of orthognathic surgery in patients with skeletal discrepancies.
• Management of impacted third molars: Indications, techniques, and complications.
• Reconstruction of maxillofacial defects following trauma or tumor resection: Surgical options and outcomes.
• Temporomandibular joint disorders: Diagnosis, management, and surgical interventions.
• Bone grafting techniques in implant dentistry: Approaches and success rates.
• Surgical management of obstructive sleep apnea: Role of maxillomandibular advancement.
• Surgical treatment options for cleft lip and palate: Multidisciplinary approaches and long-term outcomes.
• Surgical management of oral and maxillofacial infections: Antibiotic therapy, drainage, and debridement.
• Soft tissue augmentation techniques in aesthetic and functional maxillofacial surgery.
• Advancements in minimally invasive techniques for orthognathic surgery.
• Surgical management of facial trauma: Emergency interventions and long-term rehabilitation.
• Digital planning and navigation in oral and maxillofacial surgery: Enhancing precision and outcomes.

Dental Education and Training

• Effectiveness of simulation-based training in dental education: Skill acquisition and retention.
• Integration of digital technology into dental curricula: Challenges and opportunities.
• Peer-assisted learning in dental education: Impact on student performance and satisfaction.
• Interprofessional education in dentistry: Collaborative approaches to patient care.
• Continuing education requirements for dental professionals: Trends and implications.
• Assessment methods in dental education: Moving beyond traditional exams.
• The role of mentorship in shaping the career trajectories of dental students.
• Global perspectives in dental education: Cross-cultural experiences and challenges.
• Incorporating evidence-based practice into dental curricula: Strategies and outcomes.
• Tele-education in dentistry: Remote learning platforms and their effectiveness.
• Student perceptions of clinical experiences in dental education: Barriers and facilitators.
• Innovations in competency-based dental education: Assessing clinical proficiency and readiness for practice.

Dental Technology and Innovation

• Artificial intelligence in dentistry: Applications in diagnosis, treatment planning, and outcomes prediction.
• Virtual reality and augmented reality in dental education and patient care.
• Robotics in dentistry: Automation of procedures and precision in surgical interventions.
• Wearable technology for monitoring oral health behaviors and conditions.
• 3D printing in dentistry: Customization of dental implants, prostheses, and surgical guides.
• Digital smile design: Utilizing technology for aesthetic treatment planning and communication.
• Smart materials in dentistry: Self-healing, self-cleaning, and bioactive properties.
• Teledentistry platforms for remote consultations, monitoring, and patient education.
• Biomimetic approaches in dental materials design: Mimicking natural tooth structure and function.
• Nanomaterials in oral healthcare products: Enhanced delivery systems and therapeutic applications.
• Bioprinting of dental tissues and organs: Advancements in regenerative dentistry.
• Energy-based devices in dentistry: Laser therapy, photobiomodulation, and electrosurgery applications.
• Development of a Smart Toothbrush with Artificial Intelligence Integration.

These topics offer a comprehensive overview of the diverse areas within the field of dental research and provide undergraduates with a plethora of options for exploring their interests and making meaningful contributions to the discipline.

Current Trends in Dental Research

Several trends were prevalent in dental research. While there may have been further developments since then, here are some prominent trends at that time:

Biomimetic Dentistry

Mimicking natural tooth structure and function using advanced materials and techniques.

Tele-dentistry

Utilizing technology for remote consultations, monitoring, and patient education, especially amidst the COVID-19 pandemic.

Regenerative Dentistry

Developing therapies to regenerate dental tissues and promote natural healing processes.

Personalized Dentistry

Tailoring treatment plans based on individual patient characteristics, genetics, and preferences.

Minimally Invasive Dentistry

Emphasizing conservative approaches to preserve tooth structure and improve patient comfort.

Digital Dentistry

Integration of digital technology for diagnostics, treatment planning, and fabrication of dental restorations.

Nanotechnology

Utilizing nanomaterials for improved dental materials, drug delivery systems, and diagnostic tools.

Challenges in Dental Research Topics

Dental research, like any scientific field, faces its share of challenges. These challenges can span various aspects of the research process, from funding and resources to methodological complexities and ethical considerations. Here are some common challenges in dental research:

Funding Constraints

Limited financial resources hinder the initiation and continuation of dental research projects.

Access to Resources

Inadequate access to specialized equipment, materials, and facilities poses a barrier to conducting comprehensive research.

Recruitment of Participants

Difficulty in recruiting diverse and representative study populations affects the generalizability of research findings.

Ethical Considerations

Navigating ethical complexities, such as informed consent and privacy concerns, adds challenges to dental research.

Interdisciplinary Collaboration

Facilitating collaboration between dental professionals, researchers, and other disciplines is essential but often challenging.

Translation of Research into Practice

Bridging the gap between research findings and clinical implementation remains a significant challenge in dental research.

The exploration of dental research topics holds immense promise for advancing oral health care and addressing multifaceted challenges within the field. 

From unraveling the mysteries of oral diseases to pioneering innovative treatments and technologies, dental research serves as the cornerstone of progress and improvement in patient outcomes. 

Despite facing various challenges such as funding constraints and ethical considerations, the pursuit of dental research remains crucial for enhancing preventive measures, refining treatment modalities, and promoting overall well-being.

By fostering interdisciplinary collaboration, embracing emerging trends, and prioritizing the translation of research findings into practice, the dental community can continue to drive impactful discoveries and advancements for the benefit of individuals worldwide.

1. How can I stay updated on the latest dental research?

Staying updated on the latest dental research can be as simple as subscribing to reputable dental journals, attending conferences, and following dental research institutions and experts on social media platforms.

2. What are some examples of emerging dental research topics?

Emerging dental research topics include genetics and oral health, biomaterials and tissue engineering, and microbiome studies, among others.

3. Why is dental research important for patients?

Dental research drives innovation in oral healthcare, leading to improved treatment outcomes, personalized care, and enhanced preventive strategies for patients.

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Poster Presentations 2021

Graduate students, alaa a. alkhateeb-untreated dental disease and lung transplant waitlist evaluation time for individuals with cystic fibrosis.

Alaa A. Alkhatee, MSa, Erika D. Lease, MDb, Lloyd Mancl, PhDa, Donald L. Chi, DDS, PhDa UW Department of Oral Health Sciences

Background: Dental clearance is typically part of the evaluation process prior to placement on the lung transplant waiting list. Individuals with cystic fibrosis (CF) are thought to be at low risk for dental disease. We hypothesized that individuals with CF in need of lung transplantation would have lower dental disease prevalence and shorter waitlist evaluation time than individuals with non-CF lung diseases.

Methods: We analyzed electronic health record data for individuals who received a lung transplant between 2011 and 2017 at the University of Washington (Seattle, WA, U.S.A.) (N=280). We defined the presence of untreated dental disease using data from dental clearance forms. An individual was considered to have untreated dental disease if they had an oral infection or needed major dental treatment at time of initial dental evaluation. Waitlist evaluation time was defined as the time, in days, from the initial evaluation by a transplant pulmonologist to placement on the lung transplant waiting list. We used logistic and linear regression models for hypothesis testing.

Results: The prevalence of untreated dental disease did not differ by CF status (CF 27.7% vs. non-CF 27.6%; 95%CI: – 0.14, 0.14; P=0.99). There was no difference in waitlist evaluation time for transplant recipients by CF status (Geometric mean in days [GM]: CF 154 vs. non-CF 179; P=0.78). Differences in the two study outcomes remained insignificant after adjusting for age, sex, smoking status, and lung function.

Conclusions: Contradictory to the CF dental health paradigm, our results indicate no difference in the prevalence of untreated dental disease or in waitlist evaluation time by CF status. These findings provide further evidence that individuals with CF are not at low risk for dental disease. These findings are particularly concerning in the context of increased survival of individuals with CF, which makes it critical to ensure life-long optimal oral health.

Supported by:   The University of Washington Cystic Fibrosis Foundation Research Development Program (Grant Number: SINGH19R0), the National Institute of Diabetes, Digestive and Kidney Disorders Cystic Fibrosis Research Translation Center Clinical Core (Grant Number: NIH P30 DK089507), the U.S. National Institute of Dental and Craniofacial Research (Grant Number: K08DE020856), and the Dr. Douglass L. Morell Dentistry Research Fund.

a Department of Oral Health Sciences (UW) b Department of Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine

Elise Ellingsen-Determining the differentiation pathway of N-acetyl cysteine treated SCAP

Elise Ellingsen DDS, Avina Paranjpe BDS, MS, MSD, PhD. UW Department of Oral Health Sciences

Regenerative endodontic procedures (REPs) are an important component in the treatment plan for immature teeth with necrotic pulps. Stem cells of the apical papilla (SCAP) are vital for successful regeneration of the dental pulp. Previous studies have shown N-acetyl cysteine (NAC) aids in the differentiation of SCAP making them more resistant to apoptosis. However, the pathway of cell survival and differentiation is still unknown. Hence, the aim of this study was to evaluate the effects of NAC on the survival and differentiation gene expression of SCAP.

Human SCAP were cultured and exposed to either NAC for 24 hours, non-treated (negative control) and Dexamethasone (positive control). RNA was extracted from the cells. RNA was reverse transcribed to cDNA. The cDNA was analyzed using TaqMan Array Human Signal Transduction Pathway Fast plates and TaqMan Array Human Osteogenesis Pathway Fast plates. The plates were analyzed using Real time-PCR. Data were analyzed using a one-way analysis of variance (ANOVA).

Real time-PCR analysis showed SCAP pre-treated with NAC had upregulation of anti-apoptotic genes (BCL2, BCL12L1), genes promoting DNA synthesis (CDKN1A, CCND1), and genes promoting cell adhesion (FN1) and cell proliferation/differentiation (FOS). There was a downregulation of genes involved with breakdown of extracellular matrix (MMP10 and MMP7) and prostaglandin synthesis (PGES2).

SCAP treated with NAC have an upregulation of pathways related to the maintenance of the cell cycle, proliferation and differentiation thereby protecting these cells. This research outlines the differentiation pathway of NAC treated SCAP suggesting that NAC could be used effectively during REPs.

Supported by:  Douglass L. Morell Grant

Dianne Gan-Effect of air abrasion with a novel spherical abrasive on zirconia surface

Dianne Gan, DMD,a Muhammad Naeem Iqbal MSc,b Qianhui Xu DMD,c Zhijian Shen PhD,b Van Ramos, Jr, DDS,a and Kwok-Hung Chung, DDS, MS, PhDa UW Department of Restorative Dentistry

Background: This in vitro study was to evaluate the shear bond strength of resin cement to yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) when using zirconia-alumina composite (ZAC) particles to conduct airborne-particle abrasion.

Materials and Methods: 160 zirconia disks (4.0 mm x 6.6 mm) were fabricated from 4 commercially available zirconia blanks using computer-aided manufacturing technology. These were further divided into four surface treatment groups: as-sintered controls (ZR0), alumina airborne-particle abrasion (ABC), air abrasion with ZAC particle at 0.2MPa (2ZA), and air abrasion with ZAC particle at 0.4MPa (4ZA). Surface roughness (Ra) and area roughness (Sa) of specimens from each group were measured. Following the application of an adhesive (Scotchbond Universal, 3M ESPE), resin cement (RelyX Ultimate, 3M ESPE) buttons (4.0 mm x 6.6 mm) were fabricated for shear bond test conducted using a universal testing machine (n=10). ANOVA, Tukey HSD tests, and regression analysis were used for data analysis at α=.05. Scanning electron microscopy (SEM) was used to observe changes of the zirconia surface and failure modes of each group.

Results: The mean of Ra and Sa values ranged from 0.27μm to 0.74μm and 0.48μm to 1.48μm, respectively. The mean ±SD bond force values ranged from 272.6 ±41.4 N to 686.7 ±152.8 N. Statistically significant higher shear bond force values were obtained using airborne-particle abrasion than the controls (P < 0.05). No significant differences were found among any of the air abrasion treatment groups (P > 0.05). SEM observation revealed differences between the zirconia surfaces air-abraded with alumina versus the ZAC particle. The spherical ZAC particles create micro-craters on the zirconia surface

Conclusions: Surface treatment of zirconia with sharp-edged alumina or the spherical ZAC abrasives improved the bonding strength between zirconia and resin cement.

There are no statistically significant differences in shear bond force values between airborne-particle abrasion surface treatment groups.

Supported by:   Stanley D. Tylman Research Grant from the American Academy of Fixed Prosthodontics; Department of Restorative Dentistry, University of Washington [Task 821], and the Swedish Research Council [grant number 2016-04191].

a Restorative Dentistry, UW b Department of Materials and Environmental Chemistry Arrhenius Laboratory Stockholm University, Stockholm, Sweden. c Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY

Hakan Gem-FBXW7 Loss May Predict Palbociclib Resistance in HPV-Negative HNSCC

Gem H1,2, Diab A2, Swanger J2, Welcker M2, Clurman B2 UW Department of Oral Health Sciences

Introduction: Head and neck squamous cell carcinoma (HNSCC) represents the sixth most common cancer worldwide. HPV-negative HNSCC is particularly aggressive due to certain alterations in cell cycle genes. Specifically, deregulation of the G1/S checkpoint commonly occurs with the amplification of CCND1 and deletion of CDKN2A. This genomic profile is characteristic of many HPV-negative HNSCCs, and it makes them a good candidate for the targeted therapy palbociclib, a selective CDK4/6 inhibitor, to restore the G1/S checkpoint. While this drug has shown promise in preclinical HNSCC models, innate and acquired resistance during clinical trials have emerged as serious problems. The objectives of this study are to understand mechanisms of resistance related to CCNE1 up-regulation and to examine the role of FBXW7 deletion, an E3-ubiquitin ligase that regulates CCNE1 activity.

Methods: We used CRISPR technology to knockout FBXW7 in a CCND1 amplified, CDKN2A deleted, HNSCC cell line called FaDu. Using EdU incorporation and flow cytometry, we examined cell cycle dynamics of wild-type and FBXW7 knockout FaDu cells in response to palbociclib. We also used in vitro kinase assays to correlate CCNE1 hyperactivity to drug response.

Results: We showed that FBXW7 knockout confers partial resistance to palbociclib in cells that were previously sensitive. Furthermore, we showed that CCNE1 is the likely downstream mediator of this phenotype as its hyperactivity in FBXW7 knockout cells correlates with resistance.

Conclusion: By demonstrating partial resistance in FBXW7 knockout cells, we revealed a novel biomarker to palbociclib response in a HNSCC cell line. As the application of this targeted therapy expands into treatment regimens for HNSCC, predicting tumor response through biomarker testing will be an important step for successful treatment. By characterizing a resistance mechanism linked to FBXW7 deletion, we hope our data can inform the appropriate use of palbociclib in patients who will be responsive to this drug.

Supported By : NIH T90DE021984 & NIH 5R01CA215647

1 Department of Oral Health Sciences (UW) 2 Human Biology, Fred Hutchinson Cancer Research Center  

Melinda Lee-Effects of Cold on Vortex Blue and ProTaper Universal NiTi Rotary Files

Melinda Lee DMD, Avina Paranjpe BDS, MS, MSD, PhD UW Department of Endodontics

It is a common practice for clinicians to pre-bend a rotary file and spray it with Endo-Ice (1,1,1,2 tetrafluoroethane)(TFE). TFE helps to maintain this bend and facilitates file placement into the canal. Many previous studies have investigated various properties of NiTi rotary files. However, there are limited studies that have demonstrated the effects of cold on cyclic fatigue resistance of NiTi files. Hence, the aim of this study is to investigate the effects of TFE on cyclic fatigue resistance in two different file systems.

Vortex Blue (VB) 20/0.04 files and ProTaper Universal (PTU) F1 files were used. The files were sprayed with TFE for 3 seconds and inserted into plastic blocks with a 45° curve and operated per manufacturer’s instructions until failure. Control group files were not exposed to cold. Number of cycles to failure (NCF) was calculated by multiplying time (in minutes) until failure by RPM. The results were analyzed using Student t-test.

The results demonstrated that both the VB group and the PTU group exposed to cold had significantly lower NCF compared to their respective control groups.

This research demonstrates that exposing files to cold could dramatically affect the cyclic fatigue resistance of NiTi files. Hence, clinicians should be cautious about the use of TFE on NiTi files for instrumentation.

Shivani Suvarna-Effect of fiber reinforcement on the flexural strength of transitional implant supported fixed dental prosthesis

Shivani Suvarna, BDS; Armand Bedrossian, DDS, MDS; Van Ramos, Jr. DDS, FACP; Kwok-Hung Chung, DDS, PhD, FADM UW Department of Restorative Dentistry

Purpose . The aim of this in vitro study was to assess the effectiveness of using fiber reinforcement to enhance the flexural strength of the transitional implant-supported fixed dental prosthesis (TISFDP).

Material and Methods . 140 acrylate denture resin plates (64x12x5mm) with two holes, 7mm in diameter were fabricated using heat-polymerized (Lucitone-199) and CAD/CAM prepolymerized (AvaDent) materials to simulate a chair-side fabrication of the TISFDP. Specimens were divided into 7 groups (n=10) according to the airborne-particle abrasion of titanium cylinder (Straumann) surface and locations of fiber reinforcement ribbons (Ribbond-ULTRA); no cylinder surface abrasion and no fiber addition specimens were controls. The prosthetic screws were hand-tightened on a customized-fixture with analogs. Specimens were picked up using a 50:50 mix of chemically polymerized resin (QYK; Holmes) and repair resin (Dentsply). All specimens were stored in a water bath at 37°C for 24-hours before the four-point bending test (ASTM standard-D6272) conducted using a universal testing machine at a cross-head speed of 1mm/min. Maximum failure load values were recorded and analyzed with 2-way ANOVA and Tukey tests at α=0.05.

Results . The flexural strength values obtained ranged from 55.4±8.3MPa to 140.9±15.4MPa. The flexural strength decreased significantly when fiber was attached on the titanium cylinder surface (p<0.05). There were no statistically significant differences in flexural strength values between specimens with and without titanium cylinder surface abrasion (p>0.05). Statistically significant improvement in flexural strengths were observed in specimens with fibers added around the repair holes (p<0.05) buccally and lingually, combined with some fixation screw fractures before catastrophic failure of specimens.

Conclusions . Fiber reinforcement significantly improved the flexural strength of denture base resins only if added around the repair holes on the tension side at the site of initiation of crack propagation. Even when the specimens underwent catastrophic failure, the segments remained attached to each other with the fiber.

Summer Research Fellowship (SURF) Program Students

Daniel hovander-optical coherence tomography evaluation of deep dentin crack removal techniques.

Hovander D, Sadr A UW Department of Restorative Dentistry

Objectives: The aging and mastication stresses induce microcracks in the dental hard tissues, potentially leading to tooth fracture. There are currently no standard clinical procedures for observation and removal of these cracks. This in vitro study aimed to use optical coherence tomography (OCT) for non-invasive evaluation of the effectiveness of current clinical techniques to remove deep coronal dentin cracks.

Methods: Standard dentin cracks were induced on the pulpal floor human posterior teeth (n=40) using a diamond disc, resembling cracks extending from marginal ridges. The specimens were randomly assigned to 5 treatment groups to remove the cracks; I) #1156 bur, II) ½ round carbide bur, III) airborne particle abrasion, IV) #2 steel bur, and V) #8847 diamond bur. Before and after the crack removal, OCT scans were collected. 3D image registration was performed to analyze the amount of dentin removed and the dimensions of cracks initiated and/or propagated in each treatment group. Data were statistically analyzed at a significance level of 0.05.

Results : Dimensions of the removed dentin structure as a result of crack treatment were the largest in the particle abrasion group exhibited by the average removal depth and width of 1,124 and 1,017 µm, respectively which was significantly different from all bur groups (Man-Whitney, p<0.005). On the other hand, particle abrasion resulted in smallest crack propagation in each dimension, which was significantly different from all bur groups (Man-Whitney, p<0.01). All burs resulted in a degree of crack formation and there was no difference in crack dimensions among bur groups (p>0.05).

Conclusion: Mechanical removal of dentin cracks by conventional clinical technique using a dental bur leads to formation and propagation of the crack. Particle abrasion is a preferred technique in terms of preventing crack propagation while the amount of tissue removed may be more difficult to control than burs.

Supported by : The UW Dental Alumni Association

Isabelle Cassie Hwang-Effect of PDL Fiber on Force-Strain During Occlusal Loading

Isabelle Hwang1, Leigh Armijo2, Lloyd Mancl1, Tracy Popowics1 UW Department of Oral Health Sciences

Objectives : Understanding how the fluid and fibrous components of periodontal ligament (PDL) contribute to the transmission of stress to the alveolar bone during mastication is important to understanding orthodontic tooth movement. It is the goal of this study to compare the strain and force required to displace a swine incisor by 0.5 mm between the intact PDL and reduced-fiber PDL, and between different age groups.

Methods : The mandibles of 5 younger pigs and 5 older juvenile pigs were collected, and a subset of the central incisors were used (nyounger=9, nolder=7). A material testing machine (MTS) and in-fiber Bragg grating sensors (FBG) placed within the PDL were used to measure strain induced by a compressive load to 0.5mm over 15 repetitions. Incisors were tested in saline with intact PDL fibers and with fiber reduction (fiberotomy/collagenase treatment). Incisors run under both conditions (11) and run under one condition (5) resulted in 27 trials.

Results : We discovered that the PDL space develops more strain when PDL fibers are fully intact vs. reduced (median difference -9.6; 95% CI [-44.2, -4.1] and that the intact PDL fatigues over time (p-value<0.0001). Both younger (p-value<.0001) and older pigs (p-value = 0.023) showed time dependent reduction in peak force and this reduction may be greater in the PDL’s of younger pigs.

Conclusion : Our findings propound that the fibrous component of the PDL is important to maintaining the viscoelasticity of PDL and is essential to its function. We attribute the finding of PDL fatigue to the stress-relaxation of the PDL and theorize that age group differences in PDL fatigue may be the result of differences in PDL fiber composition or density, a direction of potential future research.

Supported by : The Douglass L. Morell Dentistry Research Fund and an AAOF Ormco Center Award.

1 Department of Oral Health Sciences (UW) 2 Department of Orthodontics (UW)

Timothy Liu-Identifying Dental Students’ Wellness Program Preferences

Liu TC, Randall CL UW Department of Oral Health Sciences

Objectives : Dental students experience disproportionately high rates of stress, anxiety, and depression. However, little research has focused on how dental education programs can address student wellness. The overall objective of this project was to understand dental students’ perceptions about mental health and their preferences for wellness programming.

Methods : This qualitative study involved focus group interviews with current second-, third-, and fourth-year dental students (N=20) from a single U.S. dental school. We developed a study-specific semi-structured interview guide probing school-related influences on mental health, wellness practices students already use or want to learn, and preferences for future wellness initiatives. The interviews were recorded, transcribed, verified for accuracy, and coded using inductive content analysis.

Results : Participants described two types of institution-specific influences on mental health: structural and cultural. They frequently noted that relationships with those from their own class, and those from other classes and with faculty, promote a culture of wellness within the dental school. Three types of currently used wellness practices were endorsed: independent, those involving others, and those involving university resources. Participants believed the school should do more—structurally and operationally—to promote wellness. Interest in wellness-related initiatives was high, and strongest for experiential (versus didactic) programming outside of the classroom. Participants believed such initiatives should facilitate breaks, relaxation, socialization, opportunities for mentorship/support, and/or fun. Among others described by participants, factors to consider for the successful implementation of wellness-related programs included regular (versus one-off) frequency, inter-class involvement, pairing with existing social events, and planning by administrators (versus student groups).

Conclusion : Dental students prefer experiential wellness programs organized by the school and offer considerations for program development and potential operational and cultural changes to improve wellness. The findings of this first study identifying student perspectives about wellness initiative targets and preferences can be used to inform their future development.

Eric Xu-Veillonella demonstrates increased biofilm growth when exposed to titanium particles

Xu E, Daubert D, Jain S UW Department of Periodontics

Objectives : Recent evidence suggests that the presence of titanium particles sloughed off from dental titanium implants is significantly associated with both peri-implantitis and an increase in the population of Veillonella species in subgingival plaque. We aim to begin investigation of this relationship by determining, in vitro, if the presence of titanium particles alters the growth rate or the immune stimulating potential of V. parvula.

Methods : Veillonella parvula, Streptococcus gordonii, and Porphyromonas gingivalis were grown separately in 96-well plates, either alone or with titanium particles of varying concentrations for 48 h. Titanium particles were commercially bought and suspended in water or scaled from commercially available pure titanium disks using an ultrasonic scaler. Single-species biofilm growth was quantified using a crystal violet assay. To determine changes in the immune stimulating potential of V. parvula, HEK293 cells grown in 96-well plates were exposed to media or V. parvula, with or without titanium particles, and the TLR4 response was measured 18 h to 20 h later.

Results : V. parvula showed increased biofilm growth in the presence of titanium particles, with the most growth found in the wells with the most titanium particles. S. gordonii and P. gingivalis, on the other hand, did not show any differences in biofilm growth in the wells with titanium particles. There were no changes in the robust immune stimulating potential of V. parvula in the presence of titanium particles.

Conclusion : V. parvula demonstrated increased single-species biofilm growth in the presence of titanium particles. This increase in biofilm growth in response to titanium particles was specific to V. parvula in that it was not observed in S. gordonii and P. gingivalis. V. parvula does not exhibit increased TLR4 stimulation in the presence of titanium particles. This study may help inform the development of treatment strategies for peri-implantitis.

Supported b y: The Dr. Douglass L. Morell Research Fund

Kevin Xu-Investigating Possible Titanate Formation And Antimicrobial Properties of Gold-Titanium Bilayer

Xu K, Chan D, Pozhitkov A, Chung W, Jain S UW Department of Restorative Dentistry

Objectives : A common problem with dental implants is that they are susceptible to biofilm formation, leading to peri-implantitis. Gold-titanates are a group of compounds that hold promise as an antibacterial coating that could mitigate this issue. We aim to investigate possible formation of gold titanate compounds through measuring antibacterial activity of zirconia washers vacuum coated with layers of gold and titanium. This will be assessed through zone of inhibition assays using Porphyromonas gingivalis, as it is a bacterial species commonly associated with peri-implantitis.

Methods : 12 zirconia washers were coated under vacuum with a constant level of titanium but a varying level (light, medium, heavy) of gold. The washers themselves had sections that were coated with gold, titanium, and both. Porphyromonas gingivalis was grown from frozen stock before inoculating into liquid media. Media containing P. gingivalis was spread plated on TYHK plates, and washers were placed in the middle (N=3). Plates were incubated for 5 days under anerobic conditions. Plates were analyzed with photometric analysis to measure zones of inhibition.

Results : The only coating group that had significant zones of inhibition as compared the control bare washer was the light gold coating group (p<.05, two-sided t-tests). There was no significant difference between zones of inhibition for sections of washers coated with gold only, titanium only, and both gold and titanium (p<.05, two factor ANOVA).

Conclusion : A lighter gold coating over titanium causes a statistically significant zone of inhibition while a heavier coating has minimal effect on the growth of P. gingivalis. Furthermore, it does not seem that gold and titanium together have greater antibacterial properties than each by themselves. These observations go against our initial hypotheses since possible titanate formation should be supported by a mixture of gold and titanium. Further studies should be done to elucidate these phenomena.

Supported by : The Dr. Douglass L. Morell Research Fund

4th Year Dental Research Program

Asher chiu-fatigue loading of lithium disilicate crowns with different axial heights.

Chiu A, Chen YW, Deng S, Steele S, An SW, Sadr A UW Department of Restorative Dentistry

Objectives : Monolithic glass-ceramic crowns have become increasingly popular because of optimal esthetics and superior mechanical strength. However, limited data exist regarding the effect of axial wall height (AWH) when factoring in adhesive cementation of crowns and bonding between tooth and lithium disilicate (LD) surfaces. The purpose of this in-vitro study was to evaluate the effect of various AWH on the debonding of LD crowns under fatigue loading.

Methods : Extracted maxillary third molars were prepared for glass-ceramic crown at 20-degrees using a customized jig. Samples were divided into four groups (0 mm, 1 mm, 3 mm, 4 mm) and scanned using the 3Shape TRIOS3 Scanner. Crowns were then designed, milled, and cemented with PANAVIA SA Cement and Clearfil Universal Bond Quick following manufacturer protocol. Samples were subjected to fatigue loading with 100N at 30-degree inclination on the functional cusp using a chewing simulator (SD Mechatronik CS-4). Number of cycles until failure and mode of failure were recorded. Debonded samples were examined under microscopy and optical coherence tomography (OCT).

Results : No tooth or crown fractures were observed during 2 months of continuous loading in this study. The 0 mm group debonded under 250,000 cycles, 1 mm group debonded after 5 million cycles, while 3 mm and 4 mm groups remained intact beyond this stage. Microscopic evaluation of debonded specimen revealed that debonding had mainly occurred at the cement and LD interface, and the majority of cement remained on the dentin surface. OCT imaging confirmed microscopy findings in all debonded samples.

Conclusions : Adhesively cemented LD crowns with a short (1 mm) AWH resisted debonding for 5 million cycles which was less than that of 3 mm (6.25 million) and 4 mm preparations; however, it could be considered as clinically acceptable. Preparation of tooth for bonded restorations should consider tooth tissue preservation over excessive reduction for optimal resistance.

Trayvon Edward Foy-A Cohort Study: Stylohyoid Complex Lengths in TMD Patients

Foy, T, Taylor, S UW Department of Oral Medicine Background: Ossification of the stylohyoid complex (SHC) is a relatively common occurrence- in people. When presenting in combination with head and neck pain and/or other symptoms, such as dizziness or difficulty swallowing, this combination of findings has been named Eagle’s Syndrome (ES).

Objectives : The present study utilized anonymized subject CBCT imaging and TMD Impact Study Questionnaires to compare the mean questionnaire response values of specific questions (relating to symptoms associated with ES) and the length of SHC’s. H0: The length of the SHC has no association with the questionnaire response value of TMD Impact Study participants.

Methods : A cohort study was conducted on 132 patients ¬¬ – these subjects were returning patients included at one site of a multi-center TMD study1. Each subject had completed a number of questionnaires and had a diagnostic CBCT image taken for TMJ assessment. This data was used for this study. Questions related to symptoms associated with ES were selected. The responses to these questions were scored (0= no, 1=yes). The length of the SHC’s were measured by two observers. Chi-squared test were used to compare the two categorical variables, mean question response value and SHC length (>25mm or <25mm). The statistical significance level was set at 0.05.

Results : It was determined that 22 (16%) of all 132 patient SHC’s were within normal limits bilaterally (<25mm) and 70 (53%) were elongated bilaterally (>25mm). Statistical analysis of responses to questions 1 (p =. 66), 2 (p= .46), 3 (p = .71) and 4 (p = .67) independently showed no significance correlation to SHC lengths (p <.05).

Conclusions : In this study, there was no association between the length of the calcified SHC and the number of positive reports of ES symptoms, in this TMD study population.

Shale Ninneman-Treatment Outcomes of Sinus Regeneration and Implant Survival Following Sinus Lifting via Lateral Window Technique

Ninneman S, Zarrabi I, Prajapati S, Daubert D, Wang I, Hsu YT UW Department of Periodontics

Background : Lateral window sinus floor elevation (LSFE) allows implant reconstruction in the posterior maxilla. The aims of this retrospective study were (1) to determine demographic or surgical factors related to Schneiderian membrane perforation (SMP) during LSFE, (2) to investigate the outcomes of implants placed in grafted sinuses.

Methods : The retrospective study was approved by the UW institutional review board. All data was retrieved from an existing database of electronic health records. Demographic and surgical-related factors at SFE were recorded. Outcome variables included the incidence of SMP during LSFE, implant survival, and prosthetic complications. Fisher’s exact test was used to compare any differences in abovementioned factors between groups with or without SMPs.

Results : Sixty-four patients (65 ±12.36 years) with a total of 82 sinuses and 110 implants placed in the grafted sinuses were included in the study. At the time of LSFE, 5 patients were diabetic and 9 patients were currents smokers. Forty-nine patients were diagnosed with periodontitis and 11 patients had gingivitis. For the surgical factors, the window of LSFE were outlined by rotary burs in 31 sinuses and piezoelectric devices in 32 sinuses, respectively, with 19 being unknown. Prophylactic antibiotics were given for 62 patients before LSFE. Twenty-one sinuses were perforated during surgery, with an incidence of 25.6%. However, none of these factors showed significant association with the incidence of SMPs. Among 110 implants placed in the grafted sinuses, 8 required additional osteotome prior to implant placement, and 2 of these were in areas of prior SMP. Eighteen implants required GBR simultaneously with implant placement, with 8 of these in areas of prior SMP. The overall implant survival rate is 97.2% with 5 prosthetic complications and 14 implant complications.

Conclusion : With the study limitations, LSFE is a reliable procedure with promising survival rates of implant placed in grafted sinus.

Supported by : The University of Washington School of Dentistry Elam M and Georgina E Hack Memorial Research Fund and the Dr. Douglass L. Morell Research Fund.

Other Dental Students

Mimansa cholera-mitigating global oral-health inequalities: research training programs in low- and middle-income countries.

Seminario, A.L., DeRouen, T., Cholera, M., Liu, J., Phantumvanit, P., Kemoli, A., Castillo, J. and Pitiphat, W UW Center for Pediatric Dentistry

Although oral diseases are largely preventable, they are among the most non-communicable diseases globally, and they disproportionately burden disadvantaged communities, especially within low- and middle-income nations. The COVID-19 pandemic has highlighted the social, economic, and health inequalities in our society, including the existing global oral health inequalities. There is a shortage of dentist-scientist all around the world, especially in developing countries, such as Thailand. The National Institute of Dental and Craniofacial Research (NIDCR) and Fogarty International Center (FIC), joined efforts on creating research capacity in oral health in South East Asia through the Fogarty International Center Training Program in Clinical, Public Health and Behavioral Oral Health Research for Thailand (2006 – 2016). The University of Washington (USA), Thammasat University (Thailand) and Khon Kaen University (Thailand) partnered to conduct short-, medium- and long-term training programs to build regional oral health research capabilities. Investing in research has not only impacted trainees’ career development but enhanced advancement of oral health research of South East Asia. The success of partnership calls for expanding oral health research training in other low-income countries.

Supported by : Two grants funded by both, the National Institute of Dental and Craniofacial Research and Fogarty International Center (D43 TW007768 and D43 TW009071).

Mojdeh Eftekhar-Characteristics of Periodontal Ligament in the Pig Model with Experimental Periodontitis

Eftekhar M, Lee L, Salamati A, Liu ZJ UW Department of Orthodontics

Objectives : Hypermobility, a common symptom of periodontitis, is due not only to the loss of alveolar bone, also to the associated alteration in the periodontal ligament (PDL). The present study hypothesized that the structure of the PDL Sharpey’s fibers is altered by experimental periodontitis in the young pig model.

Methods : Six three-month-old pigs were periodically inoculated with four types of periodontal bacteria, along with a ligature around the last maxillary deciduous molar for eight weeks to induce periodontitis (PG). Eight same-aged pigs served as the control group (CG). Upon euthanasia, the harvested molar blocks were sectioned coronally and stained with either hematoxylin & eosin (H&E) or Sirius Red (SR). The structures of PDL on H&E-stained images were first reviewed. Then, each adjacent SR-stained section was chosen, and the images were captured at the region close to the apex of the mesial roots under polarizing light microscopy. Sharpey’s fiber numbers in each bundle (Bundle size), total bundle numbers, the connection of the bundle to the root cementum and alveolar socket, as well as bundle angulations to the long axis of the molar, were quantified in the defined area 500μm apical to the root apex. Three images were captured and quantified in each animal by using Metavue software.

Results : Compared to the CG, the PG showed the following features: 1) less in the total bundle number and fiber numbers in each bundle; 2) more interrupted fiber bundles; 3) more oriented toward the cervical in the bundle angulation.

Conclusions : These results suggested the experimental periodontitis leads to the altered structures of PDL Sharpey’s fiber in young pigs.

Supported by : NIH/NIDCR R21DE023127 and Sunstar Preventative Dentistry Award

Jeffrey Lee-Sugary Beverages Associated with Caries in Children with Special Needs

Lee JN, Scott JM, Chi DL UW Department of Oral Health Sciences

Dental caries is a significant public health problem for low-income children with special health care needs (CSHCN). We evaluated associations between oral health behaviors (e.g., diet, fluoride, dental care) and caries for CSHCN enrolled in Medicaid, a health insurance program for low-income populations that provides comprehensive dental coverage for children. We recruited 116 CSHCN ages 7 to 20 years from Medicaid enrollment files in Washington State. Caregivers completed a 166-item questionnaire and children received a dental screening. The outcome was dental caries, defined as total pre-cavitated, decayed, missing, or filled tooth (PDMF) surfaces. We ran log-linear regression models and generated prevalence rate ratios (PRR). The mean age of study participants was 12.4±3.1 years; 41.4% were female, and 38.8% were white. The mean PDMF surfaces was 6.4±9.4 (range: 0 to 49). Only sugar-sweetened beverage intake was significantly associated with dental caries. CSHCN who consumed >4 sugar-sweetened beverages per week were significantly more likely to have tooth decay than those who consumed no sugar-sweetened beverages (PRR: 2.58; 95% CI: 1.37, 4.85; P<0.01). Sugar-sweetened beverages are an important target for future behavioral interventions aimed at preventing dental caries in low-income CSHCN.

Special thanks to Dr. Joanna Scott for assisting with statistical analyses and Dr. Donald Chi for encouragement, guidance through manuscript publication, and mentorship.

Faculty and Postdoctoral Fellows

Xuelian (grace) huang-comparison of disinfection performance between led and conventional uvgis.

Huang X 1, Xu KA 2, Jain S 3, Chan D 1 UW Department of Restorative Dentistry

Objectives : Ultraviolet (UV) light is one of the technologies widely used for inactivating bacteria, viruses, and fungi in disinfection of surfaces. UVC irradiation (200-280 nm) is the main source of the germicidal effect. The present study was to evaluate the disinfection performance of LED and mercury lamp based conventional UV germicidal irradiation (UVGI)

Methods : Porphyromonas gingivalis was spread on the TYHK-agar plates. Plates were covered with lids lined with tin foil, except for a square window to expose the agar. Then the plates were treated by the following three commercial portable UVGI sanitizers at the wavelength of 253.7 nm for 1s, 5s, and 10s respectively. No UVC treatment and Ampicllin were used as negative and positive controls, respectively. All the plates were then incubated in an anaerobic condition for 48h. To further evaluated Brand C, stimulated saliva was spread, treated by UVC for 1s, 5s, and 10s respectively and then incubated.

Lamp Power (W) Intensity (mW/cm2) Brand A Mercury 4 3 Brand B Mercury 5 2.5 Brand C LED 80 65

Results : Brand A could kill P. gingivalis after 5s treatment, while Brand B needed 10s. Brand C with LED lamps could kill all the P. gingivalis after almost 1s. For much denser colonies from saliva, Brand C could reduce the density significantly after 1s and kill almost all the microorganisms after 5s.

Conclusions : LED UVGI is much more effective than the mercury lamp based conventional UVGI, probably due to higher power and output UV intensity.

Supported by : Department of Restorative Dentistry

1 Department of Restorative Dentistry (UW) 2 School of Dentistry (UW) 3 Department of Periodontics (UW)

Rachel Roston-Maxillo-Frontal Suture Histomorphology Suggests Complex Loading in Tursiops truncatus

Roston RA, Mirando AJ, McLellan WA, Pabst DA, Hilton MJ, Roth VL UW Department of Orthodontics

Sutures, the fibrous joints between bones, serve important roles in the growth and mechanics of vertebrate skulls. Based on their varying mechanical functions, sutures display different collagen fiber orientations and bone morphologies (e.g., abutting, interdigitated, beveled). While most mammal skulls, including those of humans, possess beveled and overlapping sutures, the histological structure, ontogeny, and biomechanics of these sutures are largely unknown. Cetaceans (whales and dolphins) in particular have taken bone overlap to the extreme—some sutures cover nearly the entire surface of the underlying bone—and possible functions of this extensive bone overlap in cetaceans have been widely speculated. To inform investigations of functional hypotheses for overlapping sutures, we examined the maxillo-frontal suture in neonatal and adult bottlenose dolphins (Tursiops truncatus) using CT, microCT, and histological methods. We found that in the neonates, the bony margins of the suture were smooth and the sutural fibers were oriented parallel to the bone margins. In contrast, in the adult, the maxilla and frontal were interlocked with rugose interdigitation of the bones and a complex arrangement of collagen fibers. This adult morphology suggests this suture in cetaceans, and perhaps overlapping sutures more generally, forms a strong joint that resists complex mechanical loading.

Supported by : NIH DE021984; Grant-in-Aid, Wainwright Fund; Duke University’s Arts & Sciences Council on Faculty Research

Sami Dogan-Peptide-guided biomimetic formation of structurally integrated acellular cementum-PDL interface

Dogan S, Baioumy Y, Lyu L, Yip E, Hamann J, Yucesoy DT, Fong H, Bulmus V, Sarikaya M UW Department of Restorative Dentistry

The goal of this research is to develop a biomimetic strategy to facilitate regeneration of an acellular cementum (aC)-PDL interface by forming an integrated hybrid of mineral layer functionalized with the peptides derived from the key proteins of the periodontium, which with further research, can be adapted for clinical regenerative therapeutic strategies. Four ambitious specific tasks are set forth to realize the overarching objective: (i) In vitro remineralization of demineralized cervical root dentin using shADP5, a mineralizing peptide derived from amelogenin; (ii) Functionalization of remineralized dentin surface with chimeric peptides with Hap binding and PDL cell-favorable attachment/signaling functions, identified via machine learning tools and high-throughput screening methods or designed according to sequences known in literature; (iii) Quantitative determination of preferential PDL cell attachment/proliferation and orientation, over gingival epithelial cells, on biomimetic hybrid peptide-mineral layer; and (iv) Identification of biomimetic hybrid layer yielding structurally integrated aC-PDL junction. The lab team has optimized a remineralization strategy that provided pathways to achieve several goals. Namely, functional stable remineralized layer has been formed on the surface of dentin forming continuous mineral layer that penetrates into exposed dentin tubules. This achievement is the key step in the formation of a functional cementomimetic layer towards building the PDL. The team is in the process of identifying the signaling peptides derived from relevant proteins towards the generation of structurally integrated aC-PDL interface. The presentation will give highlights of the latest developments.

Supported by : SoD-Spencer Fund

Hanson Fong-Peptide-Guided Remineralization Protocols in Biomimetic Dental Care

Fong H, Yucesoy DT, Dogan S, Bulmus V, Sarikaya UW Department of Materials Science and Engineering

In convergent science approach that involves genetic engineering, biochemistry, bioinformatics, molecular biology, dental science and technology and materials sciences and engineering, we have developed a combination of highly versatile platform in which biomineralizing peptides are used for controlling tooth remineralization towards developing practical treatments of diseases with the demineralization origin. Our team has developed a platform technology based on the design of peptides from proteins that epitomize their key functions. Using amelogenin, the key protein in enamel mineralization (as well as Fetuin-A, osteopontin, OC90 and matrix-gla protein), we developed a set of Amelogenin-Derived Peptides (ADPs) with hydroxyapatite (HAp) binding and mineralization properties. In particular, using shADP5, a 15-AA long peptide, we demonstrated biomimetic restoration of human (in vitro) and rat (in vivo) enamel (incipient caries), and occlusion of (human) dentin tubules (in vitro) through remineralization. In all cases, the newly formed mineral layer was demonstrated to be structurally, chemically, and mechanically integrated into the underlying enamel and dentin tissues, the critical step to achieve functional restoration of the tooth with long-term durability. Using the protein-derived peptides we have developed formulations, such as solution, gel, lozenge, varnish, and paste as well as antimicrobial and osteointegrative biogenic coatings for implants (each in the R&D pipeline at different stages of development) and demonstrated their in vitro and in vivo efficacy using demineralized teeth. With the goal of bringing the formulations to the level of the minimum viable products, the team is currently planning to initiate human trials in the coming months, a critical step before for practical OTC and clinical implementations.

Supported by : WA-LSDF, CoMotion Gap Funds, SoD-Spencer Fund, and Amazon-Catalyst

Mehmet Sarikaya-Deep Selection and Design of Protein-Derived-Peptides for Biomineralization and Signaling

Sarikaya M, Gunderman H, Hamann J, Rodriguez J, Yucesoy DT, Fong H, Dogan S UW Department of Materials Science and Engineering

Based on convergent science approach, including computational biology, bioinformatics, biochemistry, oral health science, and materials sciences, the goal of this project has been to identify functional domains within the native proteins of periodontium that are known to control mineralization and regeneration of cementum, cementum-PDL junction, and PDL tissues. Three specific tasks are set forth to realize the overarching objective: (i) Identification of domains within the known periodontium-related proteins using a ML- and bioinformatics-based algorithms which incorporate HTP experimental selection of peptides using combinatorial mutagenesis combined with next-generation sequencing; High-throughput characterization of identified peptides using custom peptide-arrays and massively parallel fluorescent cell attachment, proliferation and toxicity assays; and (iii) Iterative redesign and refinement of robust (chimeric) peptides with multiple functions through conformational and functional deep mutational scanning. Although the bench work has been restricted significantly because of the pandemic, in this Spencer project the progress has been highly unusually rapid with diverse spinoff projects with implications for future progress in many fronts in the Lab’s quest for peptide guided biomimetic dental restoration, repair, and therapeutics of for innovative oral care. In the first part of the project, the team is developing a machine learning (ML) algorithm to discover short sequences from biomineralizing and signaling molecules with a biomineralization function in dental tissues. This part of the project has focused on the identification of mineral binding and signaling domains in a variety of Hap-binding proteins, including amelogenin, as well as Fetuin-A, osteopontin, OC90 and matrix-gla protein. Once the consensus sequences with affinity to HAp are identified within proteins that undergo biomineralization, the next step is to demonstrate the relatedness of species’ proteins via looking purely at their domains, and characterizing the mineralization characteristics of chosen sequences. In parallel, the team has been optimizing the high-throughput system for biomimineralization screening studies. In the next step, the high-throughput system is focusing on generating high volume biomineralization data for assessing the effect of peptide sequences derived in Part 1 of this project on the mineral formation characteristics (rate, morphology, mineralogy, etc).

Deniz Tanil Yucesoy-Biomimetic Tooth Repair: Towards a Potent Dental Hypersensitivity Treatment

Yucesoy DT, Fong H, Hamann J, Hall E, Dogan S, Sarikaya M UW Department of Materials Science and Engineering

Dentin hypersensitivity (DH) is a common oral health condition that affects the quality of life. The exposure of dentin tubules due to demineralization is a prevalent cause of DH. Despite being a widespread ailment, no long-term solution exists to permanently address DH. Current treatments are designed to alleviate the pain by either using desensitizers or blocking tubules by secondary precipitates, which are transient due to their loose integration with dentin. Ideally, DH treatment should reproduce a mineral layer on dentin that extends into the tubules and reestablishes the structural and mechanical integrity of the tooth to achieve permanent durability. Here, we describe a biomimetic treatment that utilizes a mineralization-directing peptide, sADP5, derived from amelogenin using biochemical and bioinformatics design principles. Demineralized human mid-coronal dentin, mimicking DH, were subjected to repeated rounds of peptide-guided treatment. The structure, composition, and nanomechanical properties of the remineralized dentin is analyzed by cross-sectional scanning electron microscopy imaging, energy dispersive X-ray spectroscopy and nanomechanical testing. The occlusion of exposed dentin tubules achieved through a layer-by-layer mineralization process that formed continuous mineral layer penetrating into the tubules. The elemental analysis provided Calcium/Phosphate composition, similar to that of hydroxyapatite. The average hardness and reduced elastic modulus values for the mineral layer were significantly higher than those of the demineralized and sound human dentin. The interface between the mineral layer and the underlying dentin remained integrated after 90 days of thermal aging with no marginal separation. These results suggest that structurally robust and mechanically durable interface forms between the mineral layer and underlying dentin that can withstand long-term thermal stresses encountered in the oral environment. The remineralization procedures described herein could provide a foundation for the development of effective biomimetic oral care treatments for a wide range of demineralization-related ailments and, more specifically, a potent long-term solution for DH.

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Patient Case Presentations

Guidelines for Practice Success | Managing Patients | Treatment Recommendations

The success of any dental practice is directly related to patients’ acceptance of the dentists’ treatment recommendations. A “choreographed” case presentation that blends spoken words with non-verbal cues and visual aids can increase patients’ acceptance of your recommendations. In some cases, it can be helpful to support your case presentation with photographic images so the patient can see the condition being treated; make sure to have a signed photography release before taking, using or otherwise sharing those images.

• Be sure that the patient is involved in the treatment decisions and that patient autonomy is respected.
• Discuss the reason treatment is recommended, what to expect during and after treatment, and the risks associated with accepting-and not accepting-the recommended care.
• Speak calmly, reassure patients that they’ll be taken care of throughout the process, and encourage them to ask questions.
• Explain what you are going to do and why. Step by step, say what will be done and why it needs to be done. Remind the patient throughout the discussion of the treatment benefits.
• Present information in bite-sized pieces, perhaps breaking the treatment down by quadrant. Remember, you are communicating highly technical information to an anxious layperson.
• Use as little technical language as possible. Rather than admit they don’t understand what you’re suggesting, many patients will conjure a simplified-and often distorted-translation that could scare them away from a procedure.
• Speak in short sentences. One idea per sentence is easier to understand than a barrage of complex ideas coming at a patient in sentences a mile long.
• Whenever possible, support your recommendations with visual aids, such as pictures, diagrams or ADA brochures that add clarity and more detail.
• Deliver the case presentation in the context of a natural conversation, not a sales pitch.
• Some patients may be nervous about treatment or worried about whether they can afford it. Let them know your practice has plans in place to help finance care and that your staff person (e.g., financial coordinator, office manager) will discuss those options with them.
• Case presentations for minor restorative treatment usually take place in the operatory. Use a private consultation room or your office to discuss major restorative work. The latter also applies to sensitive patients or those needing multiple appointments that will involve higher than average treatment costs.

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Presentations and Resources

Use these resources for interactive discussions with children about their oral health.

Easy-to-do Activities

The following activities from the National Children's Dental Health Month Program Planning Guide contain easy-to-do activities that can be done at any time. National Children's Dental Health Month takes place every February and strives to help children get a good start on a lifetime of healthy teeth and gums.

Dental Health Speaker

Contact the local dental society in your area to inquire about having a dental health month speaker come to your classroom.

Print and Video Resources

The American Dental Association produces a wide variety of educational materials, including pamphlets, posters, teaching packets and audiovisuals which can be viewed and purchased through the ADA Store .

Drinks Destroy Teeth

Free app for fun, interactive lessons about the effect of acid and sugar in popular drinks on teeth. Features videos, 3D mouth, vocabulary and a short quiz. Free curriculum resources are available on DrinksDestroyTeeth.org , an educational outreach program of the Indiana Dental Association.

Discussion Ideas Accordion

Name some things that you do to keep your body healthy. There are daily health habits that everyone needs to practice, such as eating a proper diet, exercising, bathing, and sleeping. Caring for your mouth is as important as caring for the rest of your body. Cleaning teeth and gums removes a sticky film of plaque. Plaque contains harmful bacteria that can cause tooth decay.

Show the USDA 'Choose My Plate' chart to children. Explain/review the food groups and why each is important for healthy bodies and teeth. List the five main food groups on a chalkboard or easel (grain, fruit, vegetable, dairy, and protein). Have children discuss some of their favorite foods and write them under the appropriate group. Bring enough healthy snacks to share with the children and ask them to identify its food group. Free reproducible MyPlate sheets for children are available from the United States Department of Agriculture .

Have children raise their hand if they had a tooth that fell out. Ask one or two children to describe what it feels like without the tooth. Discuss baby teeth. Some teeth are supposed to come out. They are called the "baby" teeth or "primary" teeth. After a baby tooth comes out, another tooth will come in. This new tooth must last for many, many years. You must take extra special care by brushing each day. (See also: Eruption charts: Primary Teeth and Permanent Teeth )

Ask children to make a list of what foods can be eaten without teeth and what foods must be chewed. Without teeth you couldn't chew crunchy foods like carrots, nuts, or apples. Have children pronounce the alphabet and tell which sounds are made by using the teeth, tongue, and lips. If you didn't have any teeth, it wouldn't be easy to say teeth, toys, or toothbrush.

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A Dental Education Resource for You and Your Family

The following is a comprehensive list of dental definitions, dental conditions, dental topics, and general dental information to help you learn the importance of good oral health. Dental Associates offers every dental specialty, so it’s likely we have experience with anything listed on this page. You can also visit Our Services to learn more about the full range of dental services we provide you and your entire family.

Browse Dental Conditions & Topics

Scroll down the page to see an alphabetized list of dental topics, or click a letter below to jump down the page.

Dental Powerpoint Presentation

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Dentistry is the diagnosis, treatment, and prevention of conditions, disorders, and diseases of the teeth, gums, mouth, and jaw. Often considered necessary for complete oral health, dentistry can have an impact on the health of your entire body.

A dentist is a specialist who works to diagnose, treat, and prevent oral health problems. Your dentist has completed at least eight years of schooling, and received either a DDS (Doctor of Dental Surgery) degree, or a DMD (Doctor of Dental Medicine) degree. 

Your teeth may feel fine, but it’s still important to see the dentist regularly because problems can exist without you knowing. Your smile’s appearance is important, and your dentist can help keep your smile healthy and looking beautiful. With so many advances in dentistry, you no longer have to settle for stained, chipped, missing, or misshapen teeth. Children, teens, and adults should all see the dentist for a regular checkup at least once every six months. 

Brushing keeps your teeth, gums, and mouth clean and healthy by removing bacteria-causing plaque. It is also recommended that you use a soft-bristled toothbrush and toothpaste that contains fluoride when you brush your teeth. You should spend at least a minute on the top teeth and a minute on the bottom teeth, and remember to brush your tongue.

The first slide of this template can be used to prepare general information about dentist services. You can describe your hospital’s dental services. This slide can be used by marketers when preparing an advertising campaign for a dental hospital.

The second slide of this template presents the tooth anatomy infographic. The infographic on this slide will allow you to grab the attention of your audience and consistently explain all the elements that make up a tooth. This slide can be used by dentists to explain the cause of tooth decay and toothache. This slide can also be used by university professors when preparing their courses on dental treatment or dental anatomy.

The third slide allows you to introduce dental services or processes. You can use this slide when preparing promotional materials for patients. The last slide gives you the opportunity to present an analyst of dental hospital operations. You can provide information on the provision of services for dental treatment, anesthesia, prosthetics. This slide can also be used by dentists when preparing a presentation for a dentist conference. Dental hospital equipment salespeople can use this slide when preparing to meet with the hospital’s chief physicians. You can imagine the effectiveness of your equipment in helping to reduce the cost of anesthesia and dental supplies.

Dental Powerpoint Template consists of four professional and stylish slides. You can change the arrangement of blocks and infographics yourself, as well as customize the color scheme according to your corporate requirements. Dental Powerpoint Template is a must-have for dentists. The slides in this template will organically complement and update your old medical presentations.

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Dental Research - Public Health

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Poster Tips and Hints

• Poster & Presentation Resources This is an excellent site that has collected information on everything from poster design to using PowerPoint to create posters.
• Designing a Poster - Tutorial A great interactive online tutorial designed by the Student Learning Centre (University of Leicester) to help you understand the design issues associated with producing an academic poster.
• PowerPoint and Academic Posters (PDF) This .pdf document provides extensive tips on using PowerPoint to design your posters.
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100 Blog Topics for Dentists

Don’t make coming up with blog topics harder than it has to be. If you write dental blogs , take a look at this idea list and brainstorm your own sub-list for each topic. There really is a never-ending well of opportunity, you just have to get creative. Subscribe to health and beauty e-newsletters, as well as magazines. Keep a small notepad on hand in the office, and jot down sparks as they come to mind. Then, when it’s time to type up your next blog post, you’ll have a wealth of inspiration at your fingertips!

100 Blog Topics for Dental Posts

• Why Checkups Are Essential
• A Checklist for Your Next Dental Visit
• Why Dental Cleanings Are Essential
• What Happens at Dental Checkups
• What You Don’t Know About Dental Insurance
• What a Dental Cleaning Involves
• How Children’s Teeth Erupt and Fall Out
• Common Dental Emergencies and First Aid
• Animals Have Amazing Teeth
• Do You Have Sinus Pressure or a Toothache
• How Oral Health Impacts Overall Health
• The Diabetes – Dental Health Connection
• The Alzheimer’s – Oral Health Connection
• The Cardiac – Oral Health Connection
• What Is an Amalgam Filling
• What Is a Composite Filling
• What Is a Zirconia Crown
• What Is a Porcelain Crown
• What Is a Metal Crown
• What Is a Root Canal
• What Is a Denture
• What Is a Partial
• What Is a Dental Bridge
• What Is a Dental Implant
• What Is an Onlay
• What Is an Inlay
• What Is a One-Visit Crown
• What Is an Overdenture
• What Is an All-On-Four Denture
• What Are Mini Implant Dentures
• Why Do I Need a Sinus Lift
• Why Do I Need a Bone Graft
• Why Do I Need an Oral Surgeon
• What Is Sedation Dentistry
• What Is Oral Sedation
• How Does Nitrous Oxide Work
• Is Sedation Dentistry Safe
• Overcoming Dental Phobia
• Is Dental Fear Real
• What Is IV Dental Sedation
• Dental Sedation for Special Needs
• Dental Sedation for Children
• 5 Reasons to Consider Sedation Dentistry
• When to Visit a Pediatric Dentist
• Why We Refer to Dental Specialists
• What Endodontists Do for Patients
• What Periodontists Do for Patients
• Procedures Prosthodontists Perform
• What Is a Maxillofacial Surgeon
• Removable or Fixed Implant Dentures
• What Is a Porcelain Veneer
• Porcelain Veneers or Braces
• Porcelain Veneers or Crowns
• What Is Dental Bonding
• Is Bonding as Good as Veneers
• What Is a Wisdom Tooth
• Why Do We Have Wisdom Teeth
• When Should Wisdom Teeth Be Removed
• Can I Keep My Wisdom Teeth
• Am I Too Old To Have My Wisdom Teeth Extracted
• What Is an Extraction
• Why Is Extraction Necessary
• Do I Have To Replace My Extracted Tooth
• What Does Impaction Mean
• What Is Gum Disease
• What Is Gingivitis
• What Is Periodontitis
• What Is an Abscess
• What Is Oral Cancer
• What Is a Head and Neck Exam
• What Are Dental X-Rays
• Why Do You Need Dental X-Rays
• Are Dental X-Rays Safe
• Are Dental X-Rays Safe for Kids
• Are Dental X-Rays Safe During Pregnancy
• What Are Panoramic Dental X-Rays
• What Are Digital Dental X-Rays
• What Are Dental Impressions
• What Is A Cone Beam Image
• What Is a Digital Impression
• Cosmetic Dentistry Can Help Your Career
• Do You Need a Smile Makeover
• 3 Procedures That Whiten Teeth
• 3 Procedures That Straighten Teeth
• 5 Popular Cosmetic Dentistry Treatments
• Contouring and Reshaping Teeth
• Gum Line Contouring for a Shapelier Smile
• Statistics About Smiling and Happiness
• How Smiling Affects Health
• Why Replacing Lost Teeth Is Important
• Taking Care of Your Teeth at Home
• 5 Tips for Teaching Kids to Brush
• 3 Secrets to Make Flossing Simpler
• Pamper Yourself on the Dental Aisle
• Foods That Brighten Tooth Enamel
• The Anatomy of Your Teeth
• Your Amazing Tongue
• Do You Really Know What Your Hygienist Does
• What Are Those Things In the Dentist’s Office
• 10 Things You Didn’t Know Your Dentist Was Doing at Your Checkup

If you’re simply not a writer, blog topics elude you, or you don’t have time for blogging, call Identiwrite Creative today at 940-395-5115 . Our team of copywriters and strategic SEO marketing experts will whip your website into shape and get new patients in your doors!

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Create an Effective Slide Deck

A great presentation depends on more than the high-quality information you’re sharing. Here are some essential principles to help you create a memorable slide deck. Choose the right fonts. Use sans serif fonts like Helvetica or Arial for a minimal look and better readability. Stick to two font styles throughout your presentation—one for headings and another […]

A great presentation depends on more than the high-quality information you’re sharing. Here are some essential principles to help you create a memorable slide deck.

Source: This tip is adapted from “How to Make a ‘Good’ Presentation ‘Great’” by Guy Kawasaki

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Adams School of Dentistry graduates celebrate 2024 Commencement

On May 9 at University of North Carolina Chapel Hill’s Carmichael Arena, more than 150 students from DDS, dental hygiene and advanced dental education all walked across the stage, marking a milestone achievement in their oral health careers, as they became the Adams School of Dentistry Class of 2024.

A special moment for class of 2024 graduates.

Graduates’ families, friends and children cheered them on, and classes supported their own, whether they were speaking, being hooded by a family or just reminding one another that it was a “good day to be a Tar Heel.”

Speakers at the event included Janet Guthmiller, DDS, PhD, dean, Adams School of Dentistry; John McNeill, DDS, incoming President of the UNC Dental Alumni Association and proud parent of a graduate; Jonathan Zsambeky, DDS, incoming Chair of the Board of the Dental Foundation of North Carolina; Dental Hygiene Class of 2024 President, Lauren Ryall; Jackson Seagroves, DDS, representative for advanced dental education; and Jasmine Nevil, DDS, class of 2024 representative. Cesar Sabates, DDS, former president of the American Dental Association, delivered the keynote address.

Cesar Sabates, DDS, delivered the keynote address.

Sabates welcomed the graduates to the “greatest profession in the universe” and shared the joy he feels as a practicing dentist.

“I feel privileged to be able to meet the needs of my patients. I take great pride in being able to comfort a patient that is in pain or put at ease that fearful child. It is an incredible feeling to be able to restore a patient’s dentition so that they can smile with confidence and eat without experiencing discomfort,” he said.

He urged graduates to find their community and rely upon those people when they needed them. Sabates said community was dentistry’s “special gift,” and can help oral health professionals leave a legacy as leaders and care providers.

Dental hygiene class of 2024 marches out of the arena at the 2024 ASOD commencement ceremony.

“Knowledge, skillset, and acumen are the necessary ingredients for success in dentistry and leadership. But allowing your network to support you in your shortcomings — as you support others in your areas of strength — that is what will fortify you. What I eventually learned is that in dentistry, no one is ever alone,” Sabates said.

Ending the evening on a high note, the Clef Hangers, Carolina’s oldest a cappella group, performed James Taylor’s “Carolina In My Mind,” and “Hark the Sound,” with everyone joining in for the final song.

The Clef Hangers perform “Carolina In My Mind” at the 2024 ASOD commencement ceremony.

Student, dentist team up for oral cancer presentation

Students, staff and faculty honored at 2024 Spurgeon Awards

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Students Impress In 2024 UREP Project Presentations

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May 14, 2024

Pictured from left: Angily Ally, Ishaan Singh, Isha Kaur, Associate Professor Cecilia Dong, Mekan Agahanov present their poster “A Study on the Current Effects of Flash Floods in NYC on Electric Vehicle Infrastructure.”

Undergraduate student research continues to thrive at New York Tech, with the 30 College of Engineering and Computing Sciences students showcasing their projects on May 9 as part of the Undergraduate Research and Entrepreneurship Program (UREP) providing the most recent evidence.

Presenting their projects on topics ranging from developing green roofing systems for urban agriculture and using AI in dentistry to building robots to mitigate unsolved home invasions, studying the impact of flash floods on electric vehicles in New York City, and much more, the eight teams comprising students from both New York campuses highlighted the findings of their group research or entrepreneurship projects conducted under the guidance of faculty mentors. UREP provides each team with $500 to cover the cost of supplies and materials; the projects can run for a single semester or extend to multiple semesters for teams pursuing further development. 

Since the spring of 2018, more than 300 students have participated in this program established by Associate Professor Ziqian (Cecilia) Dong, Ph.D. , who welcomed faculty, staff, students, and other attendees to the seventh annual event.   

Addressing the student participants, Dean Babak D. Beheshti, Ph.D. , said, “All of you have had a chance to work closely with the College of Engineering and Computing Sciences faculty in an undergraduate research project, which is a really valuable experience for you personally and professionally, and an amazing thing to put on your résumé for whatever pursuit that you have in mind after graduation.”  

Teams featured undergraduate students, ranging from first through fourth year, and from programs including computer science, electrical and computer engineering, and mechanical engineering. Most teams were co-ed. Presented projects included:

2024 UREP Projects and Teams

• Comparative Study of Hydroponic Plant-Disease Detection Systems Team members: Joseann Boneo, Best Justus, Alysar Tabet Faculty mentor: Houwei Cao, Ph.D.
• Identifying Dental Cavities from X-Ray Images Using Cnn Team members: Sarah Allrozamo, Tanuza Abdin, Hannah Ocampo Faculty mentor: Huanying (Helen) Gu, Ph.D.
• Thermoacoustic Refrigeration Team members: Sheikh Ahmar, Jericho Lee, Ernesto Rosas Romero Faculty mentor: James Scire, Ph.D.
• Home Invasion Detection and Preventio Team members: Shan Caballes, Dani Gulino, D’ron Strapp, T’ron Strapp Faculty mentor: Kirti Mishra, Ph.D.
• Level Crossing Analog to Digital Converter Representation Using Chebyshev Polynomials Team members: Pavan Kanakkassery, Emilio Santana-Ferro, Damian Sarjudas Faculty mentor: N. Sertac Artan, Ph.D.
• AI Detection in Creative Writing Team members: Elijah Ewers, Vighanesh Gaund, Cheuk Tung Ho, Wedad Mortada, Tanat Sahta   Faculty mentor: Wenjia Li, Ph.D.
• Interactive Visualization Tool for NYC Open Data Team members: Ali Elshehawi, Ali Khachab, Guang Wei Too, Alan Yuan Faculty mentor: Ziqian (Cecilia) Dong, Ph.D.
• A Study on the Current Effects of Flash Floods in NYC on Electric Vehicle Infrastructure Team members: Mekan Agahanov, Angily Ally, Isha Kaur, Ishaan Singh Faculty mentor: Ziqian (Cecilia) Dong, Ph.D.

Beheshti noted that the variety and depth of the projects speak to the hard work that the teams have put in. He recognized and thanked the faculty mentors and reiterated to the students the importance of this experience gained by “handling an open-ended problem, outside of your classroom, that you owned, and you managed to take from an idea to a concept” and beyond.

By Libby Sullivan

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Explore NCHS Research at the AAPOR Annual Conference

Researchers from the National Center for Health Statistics (NCHS) will present their work at the American Association for Public Opinion Research (AAPOR) 79th annual conference being convened May 15–17 at the Hilton Atlanta.

The conference brings together researchers to focus on the theme of “Impacting Communities: Surveys, Public Opinion Research, and Engaged Scholarship” and to share the latest methodology and survey research best practices.

The presenters at this year’s conference come from several NCHS survey groups—

• Research and Development Survey
• National Health Care Surveys
• National Health Interview Survey
• National Health and Nutrition Examination Survey

Presentations of NCHS research

If attending AAPOR, you can find NCHS exhibiting in the Salon East ballroom, booth 508.

All sessions are on the 2 nd floor of the Hilton Atlanta.

Wednesday, May 15

10:15 AM – 11:45 AM, Room 219

Panel: Pride in Numbers: Evaluating and Implementing Sogi Questions on Surveys

• Collecting Gender Identity on the National Health Interview Survey: Where We’ve Been and Where We Are Going
• Asking about Gender as a Single, Non-Binary Construct Versus a Two-Step Question Approach

4:15 PM – 5:45 PM, Room 219

Using Classification Trees to Develop Raking Variables for Weighting Calibration: An Example from the National Health Interview Survey-Teen Followback Study

Thursday, May 16

8:00 AM – 9:30 AM, Room 217

Adapting Our Methods: Using Photo Elicitation during Cognitive Interviews with Adults with Intellectual and Developmental Disabilities (ID/DD)

10:30 AM – 12:00 PM, Room 222

Panel: Applying Natural Language Processing to Advance Efficiency and Insights from Open-Text Survey Response Data

• A Semi-Automated Nonresponse Detector (SANDS) Model for Open-Response Data
• Augmenting Manual Coding of NHIS Private Health Insurance Responses with Artificial Intelligence

1:45 PM – 3:15 PM, Room 220

Question Design Matters: Interpretations of the Newly Proposed Combined Race and Ethnicity Question

3:30 PM – 4:30 PM, Salon

Poster: Changes in Refusal Reasons over Time in the National Health and Nutrition Examination Survey (2017-2023)

4:30 PM – 6:00 PM, Room 216

Roundtable panel: Adapt or Die: How Research Organizations Are Dealing with Major Changes to What We Study and How We Study It

4:30 PM – 6:00 PM, Room 218

Use of a Set-up Fee to Encourage Survey Participation and Electronic Health Record Submission for a National Health Care Survey

4:30 PM – 6:00 PM, Room 222

Analyzing the Effectiveness of Large Language Models in Curating Themes Related to Gender Identity

Friday, May 17

8:00 AM – 9:30 AM, Room 210/211

Concordance between Parent- and Teen-Reported Health Behaviors in a Follow-Back Study of Teens

8:00 AM – 9:30 AM, Room 216

Understanding Exam Nonresponse in a Nationally Representative Health Survey

8:00 AM – 9:30 AM, Room 221

Session: Cognitive Interviews and Other Tools to Develop Good Questions

• Survey Practice in Non-Survey-Literate Populations: Methodological Implications from a Cognitive Interview Study in Brazil
• Rethinking Principles of Question Design: From Art to Socio-Cultural Understanding

9:45 AM – 11:15 AM

Do Health Examination Completion Effects Hold up across Geographical Areas? Evidence from the National Health and Nutrition Examination Survey

2:00 PM – 3:30 PM, Room 218

Panel: Methodological Advancements in Using Multiple Probability Panels in the Collection of Official Statistics: Examples from the National Center for Health Statistics Rapid Survey System

• A Test of a “Federal” Approach to Increase Survey Response and Fit-for-Purpose of Probability Panels for Federal Data Collection
• Combining Data from Multiple Sources: Performance of Different Classes of Estimators from Monte Carlo Simulations
• A Comparison of Two Procedures for Combining Mean Estimates from Independent Probability Samples

2:00 PM – 3:30 PM, Room 221

Examining the Performance of Self-Rated Health Functioning and Measurement Equity Using Item Response Theory

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