EXAM
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
What are three MOST important qualities of a master cast? - ANSWERS-accurate,
dense and strong
QUESTION 2
When may auxiliary sprues be indicated? - ANSWERS-when there is a large
isolated clasp on a molar abutment
QUESTION 3
Why is a dry master cast NOT desirable for duplication? - ANSWERS-would
cause difficulty in its removal
QUESTION 4
Which is not a bar clasp assembly? - ANSWERS-hairpin
END OF
PAGE
1
, CDT COMPREHENSIVE LATEST
EXAM
QUESTION 5
Which side of the wax should you use the hot spatula on when sealing the beading
wax to the impression? - ANSWERS-the side farthest from the peripheral roll of
the impression
QUESTION 6
What color is reserved for outlining metal parts of the RPD? - ANSWERS-brown
QUESTION 7
Which is not a general guideline for placing a rest on a metal based partial? -
ANSWERS-A clasp assembly never has a rest associated with it.
QUESTION 8
What color is used on a master cast to outline the extent of acrylic resin denture
base coverage? - ANSWERS-blue
END OF
PAGE
2
, CDT COMPREHENSIVE LATEST
EXAM
QUESTION 9
Why is it important to make multiple dove-tail cuts in the area previously occupied
by the distal extension of an altered cast? - ANSWERS-provides mechanical
retention for the corrected addition
QUESTION 10
Imperfections in distal extension casts can be corrected using what process? -
ANSWERS-altered cast technique
QUESTION 11
Before setting on a removable partial denture, the cast should - ANSWERS-have a
separator applied prior to adding wax.
QUESTION 12
END OF
PAGE
3