How to Become a Dental Hygienist in California
In California, a Dental Hygienist license typically requires a 350-question national plus state exam, a 75% passing score, and a $600 exam fee.
Provides preventive oral care and cleanings under dentist supervision. Requires the NBDHE and a state license. Requirements change — always confirm with Dental Hygiene Board of California before paying.
Licensing steps in California
- 1Meet the basic requirements
Age and background check rules vary — confirm with the state board.
- 2Complete pre-license education
Required training hours are not published here — check with the state board for the current figure.
- 3Register and pass the exam
The exam is administered by JCNDE (NBDHE) — Pearson VUE with a 450-minute time limit; you need 75% to pass.
- 4Pay fees and get licensed
Exam fee $600 · application $200 · license $200
- 5Stay current
License renews every 2 years with 25 hours of continuing education.
Dental Hygienist requirements — California at a glance
| Education hours | — |
| Exam vendor | JCNDE (NBDHE) — Pearson VUE |
| Questions (national/state) | 350 / — |
| Passing score | 75% |
| Exam fee | $600 |
| Application fee | $200 |
| License fee | $200 |
| First-attempt pass rate | not published |
| Retake rule | — |
| Renewal | every 2 years · 25 CE |
| Reciprocity | ADEX/WREB/CRDTS clinical exams accepted; CA Law & Ethics exam plus local anesthesia, nitrous oxide, and soft tissue curettage courses required for initial licensure |
Official source: Dental Hygiene Board of California ↗
Transferring a Dental Hygienist license between states
Dentist and Dental Hygienist Compact (DDH). Dental hygienists have a compact — the Dentist and Dental Hygienist Compact — but it is still rolling out. The compact has reached its activation threshold, yet privileges are not broadly available while the commission finishes its data system, application process and state onboarding.
Ask the compact commission and your destination state dental board whether privileges are being issued yet. Mechanism data retrieved 2026-09-13.
Frequently asked questions
How long does it take to get a Dental Hygienist license in California?
After completing the required education, most candidates need 4-12 weeks of study before the exam. Total timeline depends on scheduling.
How hard is the Dental Hygienist exam in California?
Official first-attempt pass rates are not published by California; check the state board.
What does the Dental Hygienist license cost in California?
The exam fee is $600, the application fee is $200, and the license fee is $200
Can I transfer my Dental Hygienist license to California?
Dentist and Dental Hygienist Compact (DDH): Dental hygienists have a compact — the Dentist and Dental Hygienist Compact — but it is still rolling out. The compact has reached its activation threshold, yet privileges are not broadly available while the commission finishes its data system, application process and state onboarding. For California specifically, our dataset notes: ADEX/WREB/CRDTS clinical exams accepted; CA Law & Ethics exam plus local anesthesia, nitrous oxide, and soft tissue curettage courses required for initial licensure.
Plan your Dental Hygienist licensing in California
Work the road in order — check what California requires, price the prep, lock a study schedule, then keep the license current.
- 1. Confirm requirements — education hours, fees and the board that issues it.
- 2. Budget the prep — exam + application + license + course costs before you pay.
- 3. Study to the exam — the Dental Hygienist exam blueprint and a dated study plan.
- 4. Sit the exam — what to bring, where to test, and the retake rule if you miss.
- 5. Stay licensed — renewal cycle, CE hours, and California reciprocity.
Dental Hygienist tools for California
Every step of the California Dental Hygienist road has a free tool — from the first requirements check to renewal and reciprocity.
This guide is informational and not legal advice. Requirements change frequently — verify all figures with Dental Hygiene Board of California (retrieved 2026-08-20).