RDA Exam [2026] UPDATED ACTUAL Exam | Question and
Answer | 100% VERIFIED ANSWERS AND EXAM PREP
• The RDA performing a mouth mirror inspection should be able to -✓✓ differentiate
abnormal conditions from normal conditions
• The RDA may not perform which of the following, without proof of completion of a
course approved by the State of Dental Examiners -✓✓ coronal polish & application of
pit and tissue sealants
• The RDA license renewal period, with proof of education, is required every -✓✓ every
2 years
• The dental assistant may perform the following duties:
1. placement and ligation of arch wires
2. removal of arch wires
3. size orthodontic bands
4. placement and removal of rubber dam
5. placement and removal of matrices -✓✓ 2. removal of arch wires
4. placement and removal of rubber dam
5. placement and removal of matrices
• Placement and cementation of crowns and bridges is a duty permitted the -✓✓ dentist
only
• In addition to using an explorer, which other instruments are permissible for a RDA to
use during an oral inspection -✓✓ mouth mirror
• The RDA may remove excess cement -✓✓ supragingivally
• Fitting endodontic gutta percha points prior to filling the canal is a duty performed by
the -✓✓
• The taking of intramural radiographs, with the California Radiation Safety License, is a
duty permitted to the -✓✓
• The RDA may place -✓✓
• The topical agent may be applied by the -✓✓
• A DA or RDA MAY NOT take impressions for -✓✓
• The RDA may remove excess cement -✓✓ a
, • How many hours of continuing education are required per renewal period for licensure
of and RDA: -✓✓ ANNUALLY
3 and 5
• Sizing and cementation of temporary crowns may be performed by: -✓✓ RDA under
direct supervision (2&3)
• A mother brings her child to the office when dentist isn't there. Child has a toothache
and an obvious large cavity. The dentist is contacted at home and is made aware of the
patient's problem which of the following tasks may be performed: -✓✓ take an x-ray and
reschedule, refer to another dentist, do a mouth mirror inspection by an RDA under
general supervision
• A patient has been scheduled for suture removal 5 days after surgery. The patient
returns for his appointment, but the dentist us ill. The RDA may: -✓✓ check the patients
mouth and reschedule him in a day or two
• The placement and removal of the rubber dam may be legally performed by the: -✓✓ -
Non-licensed DA under direct supervision
- RDA under direct supervision
• Taking impressions for diagnostic and opposing models is the function of: -✓✓ the
RDA and DA
• Of those duties listed below, which cannot be performed by the DA under the direct
supervision of the Dentist? -✓✓ - placements and ligation of arch wires
- placement of bases and liners on sound dentin
• Which of the following can be used by a DA to remove excess cement left on the tooth
following the removal of orthodontic bands? -✓✓ none of the above
- ultrasonic scaler
- cotton pliers
- explorer
• Post extraction dressings may be conducted by -✓✓ DA and RDA under direct
supervision
• An ultrasonic scaler may be used by the RDA: -✓✓ - for the removal of excess cement
from an orthodontic band
- after completing a board approved course
• Which of the following statements are correct regarding continuing education for the
RDA: -✓✓ - at least 25 units are required within a two year period
- correspondence courses can fulfill only half of the total required credits
Answer | 100% VERIFIED ANSWERS AND EXAM PREP
• The RDA performing a mouth mirror inspection should be able to -✓✓ differentiate
abnormal conditions from normal conditions
• The RDA may not perform which of the following, without proof of completion of a
course approved by the State of Dental Examiners -✓✓ coronal polish & application of
pit and tissue sealants
• The RDA license renewal period, with proof of education, is required every -✓✓ every
2 years
• The dental assistant may perform the following duties:
1. placement and ligation of arch wires
2. removal of arch wires
3. size orthodontic bands
4. placement and removal of rubber dam
5. placement and removal of matrices -✓✓ 2. removal of arch wires
4. placement and removal of rubber dam
5. placement and removal of matrices
• Placement and cementation of crowns and bridges is a duty permitted the -✓✓ dentist
only
• In addition to using an explorer, which other instruments are permissible for a RDA to
use during an oral inspection -✓✓ mouth mirror
• The RDA may remove excess cement -✓✓ supragingivally
• Fitting endodontic gutta percha points prior to filling the canal is a duty performed by
the -✓✓
• The taking of intramural radiographs, with the California Radiation Safety License, is a
duty permitted to the -✓✓
• The RDA may place -✓✓
• The topical agent may be applied by the -✓✓
• A DA or RDA MAY NOT take impressions for -✓✓
• The RDA may remove excess cement -✓✓ a
, • How many hours of continuing education are required per renewal period for licensure
of and RDA: -✓✓ ANNUALLY
3 and 5
• Sizing and cementation of temporary crowns may be performed by: -✓✓ RDA under
direct supervision (2&3)
• A mother brings her child to the office when dentist isn't there. Child has a toothache
and an obvious large cavity. The dentist is contacted at home and is made aware of the
patient's problem which of the following tasks may be performed: -✓✓ take an x-ray and
reschedule, refer to another dentist, do a mouth mirror inspection by an RDA under
general supervision
• A patient has been scheduled for suture removal 5 days after surgery. The patient
returns for his appointment, but the dentist us ill. The RDA may: -✓✓ check the patients
mouth and reschedule him in a day or two
• The placement and removal of the rubber dam may be legally performed by the: -✓✓ -
Non-licensed DA under direct supervision
- RDA under direct supervision
• Taking impressions for diagnostic and opposing models is the function of: -✓✓ the
RDA and DA
• Of those duties listed below, which cannot be performed by the DA under the direct
supervision of the Dentist? -✓✓ - placements and ligation of arch wires
- placement of bases and liners on sound dentin
• Which of the following can be used by a DA to remove excess cement left on the tooth
following the removal of orthodontic bands? -✓✓ none of the above
- ultrasonic scaler
- cotton pliers
- explorer
• Post extraction dressings may be conducted by -✓✓ DA and RDA under direct
supervision
• An ultrasonic scaler may be used by the RDA: -✓✓ - for the removal of excess cement
from an orthodontic band
- after completing a board approved course
• Which of the following statements are correct regarding continuing education for the
RDA: -✓✓ - at least 25 units are required within a two year period
- correspondence courses can fulfill only half of the total required credits
