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Dental Hygiene Law and Ethics Exam Review (CA) | Questions with 100% Verified Answers | Newest Update 2026 – 2027 (Graded A+)

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Ace your California dental board exam with this clear, complete review guide. It covers essential law and ethics topics, scope of practice rules, and patient confidentiality regulations. Study realistic practice questions and detailed answers to build your test-day confidence and pass on your first try. Key Features • Complete review of California Dental Practice Act rules • Real exam-style questions with detailed answers • Clear breakdowns of ethics and legal duties • Instant digital access for fast studying

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Ace your California dental board exam with this clear, complete review guide. It covers
essential law and ethics topics, scope of practice rules, and patient confidentiality
regulations. Study realistic practice questions and detailed answers to build your test-day
confidence and pass on your first try.

Key Features

• Complete review of California Dental Practice Act rules

• Real exam-style questions with detailed answers

• Clear breakdowns of ethics and legal duties

• Instant digital access for fast studying




Quiz__________?

Dental Hygienists Responsibilities (11ct) -

Answer✅

1. Possess a proper license and resgistration, comply with all laws and work withing your
scope of practice

2. Exercise reasonable skill, care, and judgement in the assessment, diagnoses and treatment
of patients

3. use standard drugs, materials and techniques

4. complete treatment in a reasonable amount of time


1

,5. charge reasonable fees

6. never abandon a pt. and arrange for care during absence

7. refer to a specialist as needed

8. maintain privacy and confidentiality

9. keep accurate records

10. give adequate instructions to the pt

11. maintain a level of knowledge and practice within the code of ethics



Quiz__________?

General Supervision requirements -

Answer✅

DDS not required to be present in the tx. facility



Quiz__________?

RDH Functions- Oral prophylaxix -

Answer✅

preventative and therapeutic dental procedures including bacterial debridement,
supra/subgingival scaling, removal of soft deposits, plaque, and stains and the smoothing of
tooth surfaces to create an environment in which the patient can maintain health hard and
soft tissues



Quiz__________?

Direct supervision requirements -

Answer✅

DDS is required to be physically present in the tx. facility



Quiz__________?

Can an RDH perform RDA duties? -

Answer✅



2

, Yes, if licensed BEFORE 1/1/2006



Quiz__________?

RDH functions include: -

Answer✅

dental hygiene assessment and development, planning and implementation of a dental
hygiene care plan, including oral health education, counseling, and health screenings



Quiz__________?

RDH functions do no include -

Answer✅

Diagnosis and comprehensive tx. planning. No dental restorative treatments such as placing,
condensing, carving or removing of permanent restorations. No surgery or cutting of any
hard and soft tissues. No prescribing medications or administering any anesthesia other than
N202 or LA (if licensed to do so).



Quiz__________?

RDH permissible duties under Direct Supervision -

Answer✅

STC - soft tissue curettage

Administration of LA

Administration of N202



Quiz__________?

RDH permissible duties under General Supervision -

Answer✅

-Preventative and therapeutic interventions: SRP, prophy

-Application of topical, therapeutic, and subgingival agents used to control caries and
periodontal disease




3

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