1|Page
RDH Laws and Ethics Exam 2025 With 300 Real Test
Prep Questions and Correct Answers/ CA RDH
Laws & Ethics Test / Registered Dental Hygienist
(RDH) Laws and Ethics Exam 2025 (new!)
Oral Prophylaxis - ...ANSWER...✓✓ preventive and
therapeutic procedures including bacterial debridement
with complete removal of sub and supragingival calculus,
soft deposits, plaque and stains.
*OBJECTIVE: maintain healthy hard and soft tissue*
Hygienists licensed before December 31, 2005 may
perform all RDA functions. - ...ANSWER...✓✓ True
All hygienists licensed on or after January 1, 2006 must
apply for a RDA license separately in order to perform
RDA functions. - ...ANSWER...✓✓ True
The practice of dental hygiene includes:
-dental hygiene assessment
-development
-planning
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-implementation
of a dental hygiene care plan
Also includes:
-health education
-counseling
-health screenings - ...ANSWER...✓✓ True
Dental hygiene practice does NOT include: -
...ANSWER...✓✓ -Diagnosis
-Comprehensive treatment planning
-Placing, condensing, carving or removal of permanent
restorations
-Surgery or cutting of hard or soft tissue
-Prescribing medication
-Administering local/general/oral or parenteral
conscious sedation EXCEPT for the administration of
N2O2 whether alone or in combination with each other
A RDH is authorized to perform the following procedures
under DIRECT supervision - ...ANSWER...✓✓ *Soft tissue
curettage
*Administration of local anesthesia
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*Administration of N2O2, whether alone or in combination
with each other
Courses of instruction for direct supervision duties added
to the scope of practice of dental hygiene on or after July
1, 2009, shall be submitted b the committee for approval
by the dental board. - ...ANSWER...✓✓ True
Duties that an RDH is authorized to perform under
GENERAL supervision - ...ANSWER...✓✓ -Preventive and
therapeutic interventions including oral prophylaxis,
scaling, and root planing
-taking impressions for bleach trays and application and
activation of agents with nonlaser light curing devices
-taking impressions for bleach trays and placements of
in-office, tooth whitening devices
Procedures a RDH may provide without supervision -
...ANSWER...✓✓ -educational services, oral health
training programs, oral health screenings
-refer any screened patients with possible oral
abnormalities to a DDS for comprehensive tx, diagnosis,
and tx plan
-application of fluorides and pit and fissure sealants
, 4|Page
How many days after a licensee changes his or her
address shall they notify the committee of the change? -
...ANSWER...✓✓ within 30 days
A licensee who changes his or her legal name shall
provide the committee with documentation of change
within ________ days. - ...ANSWER...✓✓ 10
If not renewed, a license issued under the provisions,
unless specifically excepted expires at ___________________
on the ___________ day of the month of the legal birth date
of the licensee during the ______________ year of a two-
year term. - ...ANSWER...✓✓ 12 midnight, last, second
A licensee may have his or her license revoked or
suspended, or may be reprimanded or placed on
probation by the committee for __________________________,
incompetence, ___________________________, repeated acts
of negligence in his or her profession, receiving a license
by mistake, or for any other cause applicable to the
licentiate provided. - ...ANSWER...✓✓ unprofessional
conduct, gross negligence
RDH Laws and Ethics Exam 2025 With 300 Real Test
Prep Questions and Correct Answers/ CA RDH
Laws & Ethics Test / Registered Dental Hygienist
(RDH) Laws and Ethics Exam 2025 (new!)
Oral Prophylaxis - ...ANSWER...✓✓ preventive and
therapeutic procedures including bacterial debridement
with complete removal of sub and supragingival calculus,
soft deposits, plaque and stains.
*OBJECTIVE: maintain healthy hard and soft tissue*
Hygienists licensed before December 31, 2005 may
perform all RDA functions. - ...ANSWER...✓✓ True
All hygienists licensed on or after January 1, 2006 must
apply for a RDA license separately in order to perform
RDA functions. - ...ANSWER...✓✓ True
The practice of dental hygiene includes:
-dental hygiene assessment
-development
-planning
,2|Page
-implementation
of a dental hygiene care plan
Also includes:
-health education
-counseling
-health screenings - ...ANSWER...✓✓ True
Dental hygiene practice does NOT include: -
...ANSWER...✓✓ -Diagnosis
-Comprehensive treatment planning
-Placing, condensing, carving or removal of permanent
restorations
-Surgery or cutting of hard or soft tissue
-Prescribing medication
-Administering local/general/oral or parenteral
conscious sedation EXCEPT for the administration of
N2O2 whether alone or in combination with each other
A RDH is authorized to perform the following procedures
under DIRECT supervision - ...ANSWER...✓✓ *Soft tissue
curettage
*Administration of local anesthesia
,3|Page
*Administration of N2O2, whether alone or in combination
with each other
Courses of instruction for direct supervision duties added
to the scope of practice of dental hygiene on or after July
1, 2009, shall be submitted b the committee for approval
by the dental board. - ...ANSWER...✓✓ True
Duties that an RDH is authorized to perform under
GENERAL supervision - ...ANSWER...✓✓ -Preventive and
therapeutic interventions including oral prophylaxis,
scaling, and root planing
-taking impressions for bleach trays and application and
activation of agents with nonlaser light curing devices
-taking impressions for bleach trays and placements of
in-office, tooth whitening devices
Procedures a RDH may provide without supervision -
...ANSWER...✓✓ -educational services, oral health
training programs, oral health screenings
-refer any screened patients with possible oral
abnormalities to a DDS for comprehensive tx, diagnosis,
and tx plan
-application of fluorides and pit and fissure sealants
, 4|Page
How many days after a licensee changes his or her
address shall they notify the committee of the change? -
...ANSWER...✓✓ within 30 days
A licensee who changes his or her legal name shall
provide the committee with documentation of change
within ________ days. - ...ANSWER...✓✓ 10
If not renewed, a license issued under the provisions,
unless specifically excepted expires at ___________________
on the ___________ day of the month of the legal birth date
of the licensee during the ______________ year of a two-
year term. - ...ANSWER...✓✓ 12 midnight, last, second
A licensee may have his or her license revoked or
suspended, or may be reprimanded or placed on
probation by the committee for __________________________,
incompetence, ___________________________, repeated acts
of negligence in his or her profession, receiving a license
by mistake, or for any other cause applicable to the
licentiate provided. - ...ANSWER...✓✓ unprofessional
conduct, gross negligence
