Why is the alloy substructure degassed in a ceramic oven during fabrication of a ceramic-alloy restoration?
A) Remove organic impurities from the alloy surface.
B) Promote the formation of an oxide layer on the alloy.
C) Remove hydrogen cyanide gas formed during the metal casting process.
D) A, B, and C are all correct.
E) Only A and B are correct.
Correct Answer:
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Q6: Which of the following statements is(are) true
Q7: Which type of ceramic is applied to
Q8: What is the most common application of
Q9: The ceramic should have a coefficient of
Q10: What is leucite?
A) Crystalline phase that forms
Q12: What is(are) the primary ingredient(s) of dental
Q13: Which of the following statements is true
Q14: The decision to use an all-ceramic restoration
Q15: What is porcelain composed of?
A) Feldspar
B) Quartz
C)
Q16: In ceramic-alloy restorations, the alloy substructure is
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