JCNDE (Joint Commission on National Dental Examinations), ADA
INBDE
Integrated National Board Dental Examination
The single integrated board exam US dental students must pass for licensure, replacing the former NBDE Parts I and II. It blends foundation biomedical knowledge with clinical decision-making across the domain of general dentistry.
What's on the exam
INBDE Test Specifications (Clinical Content / Domain of Dentistry)
Diagnosis and Treatment Planning
36%Patient history and clinical examination · Radiographic interpretation · Differential and definitive diagnosis · Risk assessment · Comprehensive treatment planning
Oral Health Management
42%Restorative and prosthodontic care · Periodontal therapy · Endodontic management · Oral surgery and extractions · Pharmacologic management and pain control · Pediatric and special-needs care
Practice and Profession
22%Ethics and professionalism · Patient communication · Practice management · Infection control and safety · Evidence-based practice and information management
Frequently asked questions
How much does the INBDE cost?
The INBDE costs $890. Examination fee; additional $435 processing fee for students and non-CODA graduates.
How long is the INBDE and how many questions does it have?
500 items across two days (300 standalone items plus 200 case-based items) — Two test days (12 hours 30 minutes total; ~8h15m day one, ~4h15m day two).
What do you need to pass the INBDE?
Pass/fail (scaled passing score of 75).
Can you retake the INBDE?
Wait at least 60 days between attempts, maximum 4 attempts in any 12-month period; must pass within 5 years or 5 attempts (then once every 6 months).
What is the best way to study for the INBDE?
Start from the official outline and your primary study materials: the exam is weighted by domain (Diagnosis and Treatment Planning 36%, Oral Health Management 42%, Practice and Profession 22%). Once you've learned the material, spaced-repetition flashcards organized by those domains are an efficient way to retain it and refresh it before test day.
Program in development
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