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Crown & Bridge 1 quiz.
Crown & Bridge 1 quiz.
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Crown & Bridge 1 quizb - ANS-There are 2 known ways to fabricate provisionals in dental field: direct and
indirect. ________ and ____________.
a. direct is done in the laboratory setting ,indirect is done by the dentist at the time when
the preparation is done.
b. direct is done by the dentist at the time when the preparation is done ,indirect is done
in the laboratory setting.
c. None of the above
b - ANS-Types of margin preparation includes
a. open, shoulder, bevel, knife edge.
b. chamfer, shoulder, bevel, knife edge.
c. chamfer, shoulder, partial, knife edge.
d. chamfer, shoulder, bevel, angled.
e. None of the above.
c - ANS-Which of the following is false?
a. RETAINER is a restoration that dentist attaches to the abutment tooth
b. MATERIALS USED is produce restoration includes CAST METAL ALLOY, ACRYLIC
RESIN, COMPOSITE RESIN, and PORCELAIN.
c. ABUTMENT is tooth or a root used for support and anchorage of fixed dental
prostheses inserted into patient's mouth by dental laboratory technician.
d. WORKING CAST is cast used to duplicate the patient's prepared tooth/teeth, the
other teeth present in the arch, and all associated soft tissue structures.
e. All the above is true.
d - ANS-When preparing the die, trimming is____ and ditching is____.
a.cutting the model with a saw, use the color pencil to highlight the margin
b.use the color pencil to highlight the margin, cutting the model with a saw
c.exposing the margin, removing excess bulk
d.removing excess bulk, exposing the margin
e.none of the above
d - ANS-Which of the following is false?
a. Effective infection control strategies can prevent disease transmission by interrupting
one or more links in the chain of infection.
b. The common source of transmission for Hepatitis and HIV is human blood.
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