Q
Which of the following bur is used in the preparation of cavity restored with porcelain fused to metal ?
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A
A. Carbide bur
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B
B. Diamond bur
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C
C. Stainless steel bur
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D
D. Diamond but for porcelain and carbide bur for metal
Correct Answer:
D. D. Diamond but for porcelain and carbide bur for metal