The National Board Dental Examination Part I (NBDE Part I) is a critical assessment for dental students in the United States, focusing on foundational knowledge in biomedical and dental sciences. It is typically taken by students after their second year of dental school as a step toward licensure. Passing this exam is essential for advancing to clinical training and eventual dental practice, and it is administered by the Joint Commission on National Dental Examinations (JCNDE).
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The exam has 200 questions.
The passing score is 75%.
The exam is 8 hours long.
The exam covers major areas including: Oral Anatomy and Occlusion, Biochemistry and Physiology, Microbiology and Pathology, Dental Materials and Biomaterials, Pharmacology, Patient Management and Ethics.
Start with a structured study plan aligned to the exam blueprint. The pass rate is 85%, so focused preparation is key. Use practice questions, full-length mock tests, and study notes to build both knowledge and test-taking skills.
The exam fee is $360.
The exam is offered year-round.
All plans include AI Score Predictor, Question of the Day, and detailed explanations.