Progress Update
We are using Entrustable Professional Activities (EPAs)
We began with a national scoping review
Delphi Round 1 tested the clarity and relevance of the four EPA domains
Round 1 comments highlighted important gaps
Delphi Round 2 evaluated nine new proposed activities
Five activities reached full consensus
Psychometric testing showed that the original four‑domain model did not hold statistically
Our expert panel is now working to finalize a clear, defensible EPA framework
What’s involved?
- Participants will complete up to three rounds of surveys to help the panel reach consensus on which activities should be included as Entrustable Professional Activities (EPAs) for geriatric dental practice. Each round is expected to take approximately 10–15 minutes.
- Participants are not required to share personal information in order to take part. Those who choose to provide contact information will be invited to complete follow‑up rounds.
- Panel responses will be collected through REDCap, a secure, BU‑approved research platform. Only the study team will have access to the data. Responses will not be linked to participant names unless contact information is voluntarily provided. Any identifying information will be stored separately from survey responses, and all data will be maintained on secure servers and deleted at the end of the study in accordance with BU privacy guidelines.
- Participants may enter an optional gift card drawing after each round. Email addresses for the drawing will be stored separately from anonymous survey responses. Across all three rounds, six prizes will be awarded. Based on expected participation, the estimated odds are approximately 1 in 67 for a $100 gift card in Round 1, about 1 in 70 for a $300 gift card in Round 2, and about 1 in 100 for the $500 gift card in Round 3. Entry in the drawing is voluntary.
Process of the Study

About the Research Team
This Delphi study, led by Dr. Bethy Turton, is one component of a larger international initiative to define the specialized practice of geriatric dentistry. Across this broader program of work, our colleagues serve in leadership and advisory capacities, guiding the development of Entrustable Professional Activities (EPAs) for the field. For this specific Delphi process, they contribute expert advisory input to strengthen the rigor and relevance of the work, while all IRB‑regulated activities are conducted solely by Dr. Turton.
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Dr Bethy Turton Principal Investigator for the Delphi ProcessDr. Bathsheba (Bethy) Turton, BDS, MComDent, PhD, is an Assistant Professor at the Henry M. Goldman School of Dental Medicine, Boston University. Trained in dental public health in New Zealand and Australia, she has led international research and clinical trials on caries prevention, silver fluoride therapies, and innovations in oral health systems. Dr. Turton’s work spans academic, governmental, and NGO collaborations, with a focus on building sustainable oral health programs in resource-limited settings. Her recent research applies systems thinking to oral disease prevention in long-term care, integrating clinical, policy, and community perspectives to design interventions that improve outcomes for older adults. |
Collaborating Advisors
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Dr. Lyubov Slashcheva, DDS, MPH Project Lead, Geriatric Dentistry EPA initiative Apple Tree Dental (USA)Dr Slashcheva is the project lead for the boarder EPA project. She is a public health dentist with deep experience in community-based geriatric care and interprofessional practice, advising on EPAs that reflect real-world care delivery and equity considerations. |
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Roberto Carlos Castrejón‑Pérez, DDS, MSc, PhD Project Manager, Geriatric Dentistry EPA Initiative Universidad Autónoma Metropolitana (UAM), Mexico Dr. Roberto Carlos Castrejón‑Pérez is a public health dentist and researcher with extensive experience in aging, oral health epidemiology, and the coordination of large, multi‑institutional research initiatives. He has contributed to international efforts focused on improving oral health outcomes for older adults, with scholarly work spanning frailty, geriatric syndromes, health services research, and community-based care models.In his advisory role for this broader EPA development program, Dr. Castrejón‑Pérez supports project management, methodological planning, and cross-team coordination. |
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Dr. David Chvartszaid, DDS, MSc, MSc, FRCDC University of Toronto; Department of Dentistry, Alpha Omega Dental Center, Baycrest Hospital A prosthodontist and geriatric dentistry expert with extensive experience in competency development and postgraduate training. His expertise supports the alignment of EPAs with advanced clinical practice. |
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Dr. Nicholas Tong, BDS, MFDS RCSEd, PhD University of British Columbia A clinician‑scientist with expertise in aging, oral health policy, and competency-based education, contributing guidance on the structure and evaluation of EPAs. |
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Dr. Gabriel Lee, BDS, Grad Dip Geriatric Dentistry, MPH Faculty of Dentistry, National University of Singapore A academic-clinician trained in geriatric dentistry and public health, with active educational leadership in both undergraduate and postgraduate geriatric dentistry education. His expertise in professional competency development further supports the development of EPAs in geriatric dentistry. |
Together, these advisors bring diverse clinical, educational, and international perspectives that help ensure the EPA development process reflects the complexity of geriatric dentistry across settings and systems. Their role is consultative; all study design, data collection, and IRB‑regulated activities are led solely by Dr. Turton.
Study Overview
What is a Delphi study?
Why are EPAs important for geriatric dentistry?
Who should participate (clinicians, caregivers, educators, advocates)?
What’s the impact of their contribution?
ASGD Webinar: Strengthening the Geriatric Oral Health Workforce by Defining Specialized Practice






