30.
Which of the following impression materials is supplied in stick form or as wafers
or cakes and uses various colors to indicate different softening temperature
ranges?
a. Elastomeric impression material.
b. Impression wax.
c.
Impression paste.
d. Alginate-type hydrocolloid.
e. Modeling plastic.
31.
Select the impression material used for rebase impressions for both complete and
partial dentures and that is also used to provide a lining for a complete denture
baseplate.
a. Elastomeric impression material.
b. Modeling plastic.
c.
Sticky wax.
d. Impression paste.
e. Alginate-type hydrocolloid.
32.
Which impression material is composed of shellac, talc, and glycerides derived
from certain tallow oils?
a. Modeling plastic.
b. Impression wax.
c.
Impression paste.
d. Alginate-type hydrocolloid.
e. Elastomeric impression material.
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MD0502
3-20