RDAEF2 PRACTICE WRITTEN EXAM
2026/2027 WITH 400 QUESTIONS AND
EXPERT-VERIFIED CORRECT
ANSWERS | ALREADY GRADED A+ |
GUARANTEED SUCCESS
What would using hot water in an alginate mix cause?
The material will set up too fast
How much tissue should be included in an impression?
The impression should include: the teeth, muscle attachments, tuberosity,
retromolar areas and vestibule
How can you reduce the possibility of a patient gagging while taking an
impression?
Sit the patient upright, use fast set material, use adequate post dam and have the
patient breath through nose, and place the posterior portion of the tray first
,How soon should an impression be poured into a model or cast?
Right away, within five minutes
What might be on an impression which could retard the set of stone or plaster?
Blood, saliva or debris
What is gauging water?
gauging water is the excess water that is added to stone or plaster to wet the
particles so they will bond together. the excess moisture is evaporated away during
the setting process
How do you make a plaster or stone model set faster?
Plaster or stone will set faster is you incorporate a small amount of "slurry" water
from the model trimmer into the mix. you can also add a small amount of salt
What is loss of gloss?
When the material loses its sheen, it should no longer be manipulated
What is the most common stain in the mouths of childeren?
,Yellow. yellow is the most common stain in anyones mouth even through children
are the most common individuals to have green stain
What is the instrument grasp of choice during a coronal polish?
Modified pen grasp
What is a fulcrum?
Fulcrum is a finger rest or support point to help stabilize an instrument
Who may perform coronal polishing procedures?
An RDA who has completed a special certification course. (all RDAs must be
certified in CP to maintain their license)
Define extrinsic stain?
Occurs on external surfaces of the teeth
Define Intrinsic stain?
Occurs within tooth structure
Define Exogenous stain?
, developed or originated from sources outside of the tooth
Define Endogenous stain?
developed or originated from within the tooth
Classify a stain caused by the drug tetracycline?
Intrinsic/endogenous
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.
2026/2027 WITH 400 QUESTIONS AND
EXPERT-VERIFIED CORRECT
ANSWERS | ALREADY GRADED A+ |
GUARANTEED SUCCESS
What would using hot water in an alginate mix cause?
The material will set up too fast
How much tissue should be included in an impression?
The impression should include: the teeth, muscle attachments, tuberosity,
retromolar areas and vestibule
How can you reduce the possibility of a patient gagging while taking an
impression?
Sit the patient upright, use fast set material, use adequate post dam and have the
patient breath through nose, and place the posterior portion of the tray first
,How soon should an impression be poured into a model or cast?
Right away, within five minutes
What might be on an impression which could retard the set of stone or plaster?
Blood, saliva or debris
What is gauging water?
gauging water is the excess water that is added to stone or plaster to wet the
particles so they will bond together. the excess moisture is evaporated away during
the setting process
How do you make a plaster or stone model set faster?
Plaster or stone will set faster is you incorporate a small amount of "slurry" water
from the model trimmer into the mix. you can also add a small amount of salt
What is loss of gloss?
When the material loses its sheen, it should no longer be manipulated
What is the most common stain in the mouths of childeren?
,Yellow. yellow is the most common stain in anyones mouth even through children
are the most common individuals to have green stain
What is the instrument grasp of choice during a coronal polish?
Modified pen grasp
What is a fulcrum?
Fulcrum is a finger rest or support point to help stabilize an instrument
Who may perform coronal polishing procedures?
An RDA who has completed a special certification course. (all RDAs must be
certified in CP to maintain their license)
Define extrinsic stain?
Occurs on external surfaces of the teeth
Define Intrinsic stain?
Occurs within tooth structure
Define Exogenous stain?
, developed or originated from sources outside of the tooth
Define Endogenous stain?
developed or originated from within the tooth
Classify a stain caused by the drug tetracycline?
Intrinsic/endogenous
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.
