RDAEF2 PRACTICE WRITTEN EXAM QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS VERIFIED
Define General supervision?
General supervision means that you must be employed by dentist, but that dental does
not have to be present in the treatment facility during a procedure you are performing.
Define Direct supervision?
Direct supervision means that you must be employed by a dentist and the dentist does
have to be present in the treatment facility during a procedure you are performing.
Does assisting in the administration of nitrous oxide require a special type of
supervision?
Assisting in the administration of nitrous oxide requires the supervising dentist be in the
room, at chairside during the procedure, giving directions to the dental assistant.
What should you do if you are asked to perform illegal procedure?
Inform a dentist the procedure is an infraction of the dental practice act and refuse to
perform the procedure.
Whos responsibility is it to adhere to the Board regulations in regard to DA/RDA
function?
Both you and your supervising dentist. you are legally responsible for adhering to Board
regualtions, and you could lose your license or have it suspended for illegally
performing a function.
How many C.E. units are you required to earn each renewal period?
,25units
Are there any RDA functions that require a special license?
Yes Coronal Polish, ultrasonic scaler and pit and fissure sealants require special
licensure.
What is the purpose of a matrix band?
A matrix band is used to replaced the missing proximal wall of the tooth preparation
Where is the band placed?
Between the interdental papilla and the proximal surface of the tooth
What corresponding tooth would a band fit that was set-up for tooth #28?
Tooth #12
What can be used to secure the band in place?
Low fusing compound
What is the purpose of a contra-angle matrix retainer?
A contra-angle retainer can be placed from the lingual
How far should the band extend above the occlusal height and below the gingical
seat of the prepation?
1-3mm above the occlusal height and approximately 1mm below the gingival seat.
Would you need to use a matrix band on a class I cavity prep?
No, a class I already has surrounding tooth structure to support thee placement of a
filling.
What is the shape of most commerical wedges and what is the purpse of a
wedge?
,Wedges are triangular in shape and placed with base toward the gingival tissue. The
purpose of a wedge is to press the band tightly against the prepared tooth and to slighty
open the contact of the adjacent tooth during placement of the restoration.
Are there any specific C.E requirments you must complete other than the number
of hours?
Yes you need to maintain CPR certification, and attend board approved courses in the
Dental practice Act, and Infection control.
What is the purpose of a cavity varnish or sealer?
To seal the dental tubules from harmful substances such as mercury in amalgam and
acids from cements
Why should a varnish NOT be used under a resin or composite filling, but why
can a sealer be used?
Varnishes interfere with the polymerization of resins; however, sealers can be used
because theyre part of bonding process and do not interfere with the polymerization
Who may apply a cavity varnish or sealer, and what type of supervision is
required?
RDA, direct supervision
If you are using a base, when should you place a varnish or sealer?
If what you are placing into the tooth is harmful to the tooth, place a varnish or sealer
first. If what youre placing into the tooth is not harmful, place a varnish or sealer
afterwards
Why should you wipe the base placement instrument on a 2X2 gauze in between
the transfer of material back and forth from the mouth to the mixing pad?
, Transferring heat and moisture from the mouth to the mixing pad during several
applications will cause material to set-up on the pad. Wiping the instrument will reduce
this process
Who apply bases and liners to exposed or near exposed pulps?
RDA, RDAEF and dentist
Where should a base be placed?
A based should be placed to fill-in the deepest indentation area, or cover the entire
floor. there are several ways to perform this procedure; you should follow the direction
of your particular dentis
Who may place a temporary sedative dressing?
RDA, Dentist
Is it necessary to use a matrix band on a class II temporary dressing?
Yes
Of the following, which is the least important factor when judging the quality of a
temporary filling; sealed margins, correct occlusion, contact points,correct
anatomy?
Correct Anatomy
The doctor is away, you are an RDA, a patient comes into office and says they
have lost their temporary filling. What should you do?
Refer to another dentist or make a new appointment if the patient is not in pain
What is the nest cement to use for a sedative(palliative) filling?
Zinc oxide eugenol
What are some important considerations when selecting a cement?
WITH COMPLETE SOLUTIONS VERIFIED
Define General supervision?
General supervision means that you must be employed by dentist, but that dental does
not have to be present in the treatment facility during a procedure you are performing.
Define Direct supervision?
Direct supervision means that you must be employed by a dentist and the dentist does
have to be present in the treatment facility during a procedure you are performing.
Does assisting in the administration of nitrous oxide require a special type of
supervision?
Assisting in the administration of nitrous oxide requires the supervising dentist be in the
room, at chairside during the procedure, giving directions to the dental assistant.
What should you do if you are asked to perform illegal procedure?
Inform a dentist the procedure is an infraction of the dental practice act and refuse to
perform the procedure.
Whos responsibility is it to adhere to the Board regulations in regard to DA/RDA
function?
Both you and your supervising dentist. you are legally responsible for adhering to Board
regualtions, and you could lose your license or have it suspended for illegally
performing a function.
How many C.E. units are you required to earn each renewal period?
,25units
Are there any RDA functions that require a special license?
Yes Coronal Polish, ultrasonic scaler and pit and fissure sealants require special
licensure.
What is the purpose of a matrix band?
A matrix band is used to replaced the missing proximal wall of the tooth preparation
Where is the band placed?
Between the interdental papilla and the proximal surface of the tooth
What corresponding tooth would a band fit that was set-up for tooth #28?
Tooth #12
What can be used to secure the band in place?
Low fusing compound
What is the purpose of a contra-angle matrix retainer?
A contra-angle retainer can be placed from the lingual
How far should the band extend above the occlusal height and below the gingical
seat of the prepation?
1-3mm above the occlusal height and approximately 1mm below the gingival seat.
Would you need to use a matrix band on a class I cavity prep?
No, a class I already has surrounding tooth structure to support thee placement of a
filling.
What is the shape of most commerical wedges and what is the purpse of a
wedge?
,Wedges are triangular in shape and placed with base toward the gingival tissue. The
purpose of a wedge is to press the band tightly against the prepared tooth and to slighty
open the contact of the adjacent tooth during placement of the restoration.
Are there any specific C.E requirments you must complete other than the number
of hours?
Yes you need to maintain CPR certification, and attend board approved courses in the
Dental practice Act, and Infection control.
What is the purpose of a cavity varnish or sealer?
To seal the dental tubules from harmful substances such as mercury in amalgam and
acids from cements
Why should a varnish NOT be used under a resin or composite filling, but why
can a sealer be used?
Varnishes interfere with the polymerization of resins; however, sealers can be used
because theyre part of bonding process and do not interfere with the polymerization
Who may apply a cavity varnish or sealer, and what type of supervision is
required?
RDA, direct supervision
If you are using a base, when should you place a varnish or sealer?
If what you are placing into the tooth is harmful to the tooth, place a varnish or sealer
first. If what youre placing into the tooth is not harmful, place a varnish or sealer
afterwards
Why should you wipe the base placement instrument on a 2X2 gauze in between
the transfer of material back and forth from the mouth to the mixing pad?
, Transferring heat and moisture from the mouth to the mixing pad during several
applications will cause material to set-up on the pad. Wiping the instrument will reduce
this process
Who apply bases and liners to exposed or near exposed pulps?
RDA, RDAEF and dentist
Where should a base be placed?
A based should be placed to fill-in the deepest indentation area, or cover the entire
floor. there are several ways to perform this procedure; you should follow the direction
of your particular dentis
Who may place a temporary sedative dressing?
RDA, Dentist
Is it necessary to use a matrix band on a class II temporary dressing?
Yes
Of the following, which is the least important factor when judging the quality of a
temporary filling; sealed margins, correct occlusion, contact points,correct
anatomy?
Correct Anatomy
The doctor is away, you are an RDA, a patient comes into office and says they
have lost their temporary filling. What should you do?
Refer to another dentist or make a new appointment if the patient is not in pain
What is the nest cement to use for a sedative(palliative) filling?
Zinc oxide eugenol
What are some important considerations when selecting a cement?
