isolation UPDATED ACTUAL Exam
Questions and CORRECT Answers
vestibule or floor of the mouth adjacent to the operating site - CORRECT
ANSWER cotton rolls may be placed here for retraction and dryness during a short
procedure
ease of speed of application - CORRECT ANSWER which of the following is not a
disadvantage of using cotton rolls for isolation:
a. they become saturated and must be changed frequently
b. during changing procedures, the risk of contaminating the field with moisture in increased
c. ease of speed of application
d. cotton rolls offer limited retraction of the lips, cheek, and tongue and no gingival retraction
e. there is no protection against the patient aspirating foreign materials or chemicals
1- dry clean and visible field of operation
2- protection of the patient and operator
3- economic factors
4- improved properties of dental materials
5- retraction of soft tissues
6- application of medicaments - CORRECT ANSWER name 6 advantages of using the
rubber dam
1 tooth distal and two teeth mesial to the tooth being restored - CORRECT ANSWER a
general guideline is to isolate at least how many teeth distally, and how many teeth mesially to
the tooth being restored?
smoothed/ eliminated prior to placement - CORRECT ANSWER A rough interproximal
area may tear the rubber dam and should be...
, 1- explain the procedure, floss and prepare the contact areas
2- select the appropriate size/type of clamp
3- attach floss to the clamp, preferably through the forcep hole - CORRECT
ANSWER what are the three steps taken BEFORE the actual placement of the rubber
dam?
2 jaws and 1 bow - CORRECT ANSWER the clamp is made up of what parts? (how many
jaws, how many bows?)
winged clamp - CORRECT ANSWER The wingless/winged clamp allows the rubber dam
to be attached to the clamp prior to placing it.
thread the floss through one forcep hole, then wrap it around the bow of the clamp and thread it
through the other forcep hole - CORRECT ANSWER what is an added safety feature that
can be completed on the clamp that will allow you to safely retrieve both halves of the clamp if it
happens to break?
jaw, points, bow - CORRECT ANSWER name three common parts of a rubber dam clamp
jaw of the clamp - CORRECT ANSWER the part of the clamp that is expanded to fit over
the tooth
forcep holes - CORRECT ANSWER the holes in the jaws where the forceps attach to the
clamp are called
bow of the clamp - CORRECT ANSWER an arches band of metal joining the 2 jaws of
the clamp together
*waxed floss should be tied to the bow as a ligature