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California RDH law and ethics exam
The DHBC Registered Dental Hygienist (RDH) Laws and Ethics Written Examination has 60 multiple-choice items (50 scored plus 10 unscored pretest) in 90 minutes at PSI test centers, with a 75% minimum passing score under 16 CCR §1121(c). Every RDH licensure pathway — including out-of-state licensure by credential — requires it, and exam eligibility expires one year after approval.
- Cluster
- California RDH and RDA exams
- Last verified
- 2026-07-24
- Reviewer
- See source page
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- California RDH law and ethics exam
- how many questions are on the California RDH law and ethics exam
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Source citations
- DHBC-RDH-CIB DHBC/PSI RDH Laws and Ethics Written Examination Candidate Information Bulletin (January 2026) (dhbc.ca.gov, verified 2026-07-24)
- CCR-16-1121 16 CCR §1121 — DHBC supplemental written examination in California law and ethics (dhbc.ca.gov, verified 2026-07-24)