The best solution to the problem of debonding of ceramic from a ceramic-alloy restoration after cementation in the mouth is to:
A) remove the crown, refire new porcelain to the metal, and then recement the crown.
B) refire new porcelain to the metal while the crown remains in the mouth.
C) prevent debonding by selection of compatible alloys and ceramics and the proper manipulation of these materials during fabrication.
D) bond direct composite to the metal substructure.
Correct Answer:
Verified
Q2: Gold is used in dental alloys primarily
Q3: Noble metals are defined by their:
A) resistance
Q4: Greening of ceramic may be avoided by:
A)
Q5: Silver is added to casting alloy to:
A)
Q6: _ alloys are first cast but then
Q8: For ceramic-bonding alloys:
A) the solidus of the
Q10: _ alloys are the most difficult to
Q11: When a molten (liquid)alloy freezes,crystals _ and
Q12: An alloy liquidus is defined as the
Q14: If an alloy contains 40 wt %
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