RDA ACTUAL EXAM QUESTIONS
AND VERIFIED ANSWERS
UPDATED 2026 GUARANTEED A+
PASS
The RDA performing a mouth mirror inspection should be able to - Answer-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 - Answer-coronal polish & application of pit and tissue sealants
The RDA license renewal period, with proof of education, is required every - Answer-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 - Answer-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 - Answer-dentist only
In addition to using an explorer, which other instruments are permissible for a RDA to use during an oral
inspection - Answer-mouth mirror
,The RDA may remove excess cement - Answer-supragingivally
Fitting endodontic gutta percha points prior to filling the canal is a duty performed by the - Answer-
The taking of intramural radiographs, with the California Radiation Safety License, is a duty permitted to
the - Answer-
The RDA may place - Answer-
The topical agent may be applied by the - Answer-
A DA or RDA MAY NOT take impressions for - Answer-
The RDA may remove excess cement - Answer-a
How many hours of continuing education are required per renewal period for licensure of and RDA: -
Answer-ANNUALLY
3 and 5
Sizing and cementation of temporary crowns may be performed by: - Answer-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: - Answer-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: - Answer-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: - Answer-- Non-
licensed DA under direct supervision
- RDA under direct supervision
Taking impressions for diagnostic and opposing models is the function of: - Answer-the RDA and DA
Of those duties listed below, which cannot be performed by the DA under the direct supervision of the
Dentist? - Answer-- 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? - Answer-none of the above
- ultrasonic scaler
- cotton pliers
- explorer
Post extraction dressings may be conducted by - Answer-DA and RDA under direct supervision
An ultrasonic scaler may be used by the RDA: - Answer-- 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: - Answer-- at
least 25 units are required within a two year period
AND VERIFIED ANSWERS
UPDATED 2026 GUARANTEED A+
PASS
The RDA performing a mouth mirror inspection should be able to - Answer-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 - Answer-coronal polish & application of pit and tissue sealants
The RDA license renewal period, with proof of education, is required every - Answer-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 - Answer-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 - Answer-dentist only
In addition to using an explorer, which other instruments are permissible for a RDA to use during an oral
inspection - Answer-mouth mirror
,The RDA may remove excess cement - Answer-supragingivally
Fitting endodontic gutta percha points prior to filling the canal is a duty performed by the - Answer-
The taking of intramural radiographs, with the California Radiation Safety License, is a duty permitted to
the - Answer-
The RDA may place - Answer-
The topical agent may be applied by the - Answer-
A DA or RDA MAY NOT take impressions for - Answer-
The RDA may remove excess cement - Answer-a
How many hours of continuing education are required per renewal period for licensure of and RDA: -
Answer-ANNUALLY
3 and 5
Sizing and cementation of temporary crowns may be performed by: - Answer-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: - Answer-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: - Answer-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: - Answer-- Non-
licensed DA under direct supervision
- RDA under direct supervision
Taking impressions for diagnostic and opposing models is the function of: - Answer-the RDA and DA
Of those duties listed below, which cannot be performed by the DA under the direct supervision of the
Dentist? - Answer-- 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? - Answer-none of the above
- ultrasonic scaler
- cotton pliers
- explorer
Post extraction dressings may be conducted by - Answer-DA and RDA under direct supervision
An ultrasonic scaler may be used by the RDA: - Answer-- 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: - Answer-- at
least 25 units are required within a two year period
