National Board Dental Hygiene Examination
Joint Commission on National Dental Examinations·NBDHE
nbdheexam.com is your dedicated NBDHE practice site: 1,000+ exam-style practice questions, organized across all 4 exam domains. Start with the free practice test — no card required.
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- 4
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What’s on the NBDHE exam
- Scientific Basis for Dental Hygiene Practice (Component A, 61 items, ~17.4%)
- Provision of Clinical Dental Hygiene Services (Component A, 115 items, ~32.9%)
- Community Health/Research Principles (Component A, 24 items, ~6.9%)
- Patient Cases (Component B, 150 items across 12–15 patient cases, ~42.9%)
Official exam blueprint domains — your practice bank mirrors this outline.
The NBDHE question bank follows the official exam blueprint across 4 domains, so your practice mirrors the real outline — and shows you exactly where you’re weak. See the full blueprint on nbdheexam.com →
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