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AACD
Question 6 of 147
At home bleaching treatments are MOST effective for:
A.
Treatment of mild tetracycline discoloration.
B.
Treatment of trauma induced staining.
C.
Age-related discoloration.
D.
Mild to dark surface staining.
Answer
Discussion
Correct Answer: D
Question 7 of 147
When determining the shade of a tooth, once the tooth becomes desiccated, it:
A.
Decreases in value.
B.
Becomes more translucent.
C.
Increases in value.
D.
Increases in chroma.
Answer
Discussion
Correct Answer: B
Question 8 of 147
When selecting a shade, the proper indoor lighting is:
A.
Incandescent.
B.
Standard fluorescent.
C.
Color corrected fluorescent.
D.
Halogen.
Answer
Discussion
Correct Answer: C
Question 9 of 147
When etching ceramic, proper results:
A.
Can be accomplished equally using either hydroflouric acid or aciduated phosporous fluoride.
B.
Require specific instructions for each brand of ceramic.
C.
Yield a more translucent porcelain that is more amenable to shade modification.
D.
Are accomplished with a 37% Phosphoric acid gel applied according to the manufacturer's instructions.
Answer
Discussion
Correct Answer: D
Question 10 of 147
Which of the following has been shown to increase the incidence of postoperative sensitivity?
A.
Residual bacteria on the preparation surface
B.
Excessive agitation of the primer
C.
Rewetting instruments with unfilled resin
D.
Use of chlorhexidine as a rewetting agent
Answer
Discussion
Correct Answer: B
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