Law and Ethics Dental Hygiene CA
Final Exam and All Correct Answers
2025-2026.
Definition of Committee - Answer the Dental Hygiene Committee of California (DHCC)
Definition of Dental Board - Answer the Dental Board of California
Direct supervision - Answer A set of procedures where The dentist must physically be
present in treatment facility
General supervision - Answer Procedures where the dentist does NOT need to be physically
present in treatment facility
Oral prophylaxis - Answer Preventative and therapeutic dental procedures that include
-- bacterial debridements with complete removal of supra and sub calculus, soft deposits,
plaque and stains. And to smooth out tooth surfaces
What is the purpose of the prophylaxis - Answer To create an environment for a patient to
maintain healthy hard and soft tissues
Can an RDH perform
the same functions of an rda? - Answer Yes
What does the practice of an rdh include - Answer Dental hygiene assessment and
development, planning and implementation of a dental hygiene plan.
It also includes oral hygiene education, counseling and health screenings
Dental hygiene does NOT include what - Answer ---Diagnosing or comprehensive treatment
plans
---Placing, moving, condensing, carving, removing of permanent restorations
---surgery, or cutting on hard and soft tissue , removing teeth and cutting and suturing
--- prescribing meds
---administering local or general anesthesia or oral or parenteral conscious sedation other than
nitrous oxide and oxygen and allowed local anesthetic.
What can an rdh do under direct supervision? - Answer ---Soft-tissue curettage
, ---Administration of local anesthesia
---Administration of nitrous oxide and oxygen, whether administered in tandem or alone.
What can an rdh do under general supervision - Answer --- preventative and therapeutic
interventions including : oral prophylaxis, scaling and root planing
---application of topical, therapeutic and subgingival agents used for the control of caries and
periodontal disease.
---the taking of impressions for bleaching trays and activation of non laser, light curing devices
---the taking of impressions for bleaching trays and placements of in office tooth whitening
devices
What can an rdh do without any supervision - Answer -Educational services
-Oral health training programs
-Oral health screenings
*rdh must refer any screened patients with abnormalities to a dentist to receive a
comprehensive exam, diagnosis and a treatment plan
In a government public health program an rdh may provide without supervision the following: -
Answer -oral prophylaxis,srp.
-Fluoride application
-Pit and fissure sealants
* the rdh may submit insurance claims for the services provided under the public health
programs.
No person shall be allowed to practice as a dental hygenist except for what Exceptions - Answer
---a student in a dental/dental hygiene school performing the curriculum.
---a dental assistant acting under the rules of the dental board may perform the following:
*taking impressions
*applying fluorides
*applying non-areosol and non caustic topical agents
--- an rda acting under the rules of the dental board my perform the following:
*coronal polishing
*applying bleaching agents
*activating bleaching agents with a non laser light curing device
*applying pit and fissure sealants
---an rdaef can apply a pit and fissure sealant
Final Exam and All Correct Answers
2025-2026.
Definition of Committee - Answer the Dental Hygiene Committee of California (DHCC)
Definition of Dental Board - Answer the Dental Board of California
Direct supervision - Answer A set of procedures where The dentist must physically be
present in treatment facility
General supervision - Answer Procedures where the dentist does NOT need to be physically
present in treatment facility
Oral prophylaxis - Answer Preventative and therapeutic dental procedures that include
-- bacterial debridements with complete removal of supra and sub calculus, soft deposits,
plaque and stains. And to smooth out tooth surfaces
What is the purpose of the prophylaxis - Answer To create an environment for a patient to
maintain healthy hard and soft tissues
Can an RDH perform
the same functions of an rda? - Answer Yes
What does the practice of an rdh include - Answer Dental hygiene assessment and
development, planning and implementation of a dental hygiene plan.
It also includes oral hygiene education, counseling and health screenings
Dental hygiene does NOT include what - Answer ---Diagnosing or comprehensive treatment
plans
---Placing, moving, condensing, carving, removing of permanent restorations
---surgery, or cutting on hard and soft tissue , removing teeth and cutting and suturing
--- prescribing meds
---administering local or general anesthesia or oral or parenteral conscious sedation other than
nitrous oxide and oxygen and allowed local anesthetic.
What can an rdh do under direct supervision? - Answer ---Soft-tissue curettage
, ---Administration of local anesthesia
---Administration of nitrous oxide and oxygen, whether administered in tandem or alone.
What can an rdh do under general supervision - Answer --- preventative and therapeutic
interventions including : oral prophylaxis, scaling and root planing
---application of topical, therapeutic and subgingival agents used for the control of caries and
periodontal disease.
---the taking of impressions for bleaching trays and activation of non laser, light curing devices
---the taking of impressions for bleaching trays and placements of in office tooth whitening
devices
What can an rdh do without any supervision - Answer -Educational services
-Oral health training programs
-Oral health screenings
*rdh must refer any screened patients with abnormalities to a dentist to receive a
comprehensive exam, diagnosis and a treatment plan
In a government public health program an rdh may provide without supervision the following: -
Answer -oral prophylaxis,srp.
-Fluoride application
-Pit and fissure sealants
* the rdh may submit insurance claims for the services provided under the public health
programs.
No person shall be allowed to practice as a dental hygenist except for what Exceptions - Answer
---a student in a dental/dental hygiene school performing the curriculum.
---a dental assistant acting under the rules of the dental board may perform the following:
*taking impressions
*applying fluorides
*applying non-areosol and non caustic topical agents
--- an rda acting under the rules of the dental board my perform the following:
*coronal polishing
*applying bleaching agents
*activating bleaching agents with a non laser light curing device
*applying pit and fissure sealants
---an rdaef can apply a pit and fissure sealant
