Integrated National Board Dental Examination
INBDE
inbdestudy.com is your dedicated INBDE practice site: 1,000+ exam-style practice questions, organized across all 3 exam domains. Start with the free practice test — no card required.
- practice questions
- 1,000+
- exam domains
- 3
- practice test
- Free
Exam at a glance
- Exam fee
- The 2026 exam fee is $890 USD, with an additional $435 processing fee for candidates educated by dental programs not accredited by CODA or CDAC when applicable
- Questions on exam
- The exam has 500 total single-best-answer multiple-choice items over two days, with 360 items on Day 1 and 140 items on Day 2
- Duration
- Total administration time is 12 hours 30 minutes, including tutorials, optional scheduled breaks, and survey
- Passing score
- An overall scale score of 75 required on a 49-99 scale
- Retake policy
- A 60-day retake wait, a 5-years/5-attempts rule, and a maximum of four administrations in any 12-month period
- Validity
- INBDE is a licensure examination result rather than a renewable certification; JCNDE does not publish a renewal requirement, though licensing boards may set their own result-age rules
Published exam facts, from the official outline.
What’s on the INBDE exam
- Diagnosis and Treatment Planning (36.2%)
- Oral Health Management (42.0%)
- Practice and Profession (21.8%)
Official exam blueprint domains — your practice bank mirrors this outline.
The INBDE question bank follows the official exam blueprint across 3 domains, so your practice mirrors the real outline — and shows you exactly where you’re weak. See the full blueprint on inbdestudy.com →
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