1
RDA EXAM Questions with Answers (100% Correct
Answers)
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
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,2
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
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
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, 3
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
© 2025 All rights reserved
RDA EXAM Questions with Answers (100% Correct
Answers)
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
© 2025 All rights reserved
,2
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
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
© 2025 All rights reserved
, 3
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
© 2025 All rights reserved
