Q
Opaque porcelain________________?
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A
A. Is feldspathic glass
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B
B. Contains opacifier like zirconium and titanium oxide
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C
C. Not used to mask the colour of the cement used in placing of restoration
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D
D. Used to produce the characteristic translucence, which is an inherent aspect of the incisal edge in natural teeth
Correct Answer:
B. B. Contains opacifier like zirconium and titanium oxide
