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Dental Materials

Which of the following bur is used in the preparation of cavity restored with porcelain fused to metal ?

Which of the following bur is used in the preparation of cavity restored with porcelain fused to metal ?

A. Carbide bur
B. Diamond bur
C. Stainless steel bur
D. Diamond but for porcelain and carbide bur for metal

Which of the following bur is used in the preparation of cavity restored with porcelain fused to metal ? Read More »

Dental Ceramics & Miscellaneous, Dental Materials, Medical Mcqs

In method of firing: A shorter firing period at a higher temperature is considered better_______________?

In method of firing: A shorter firing period at a higher temperature is considered better_______________?

A. A large time period at a lower temperature is preferred
B. A long firing period at a very high temperature is preferred
C. A short firing period at a very low temperature is preferred
D. none of these

In method of firing: A shorter firing period at a higher temperature is considered better_______________? Read More »

Dental Ceramics & Miscellaneous, Dental Materials, Medical Mcqs

Opaque porcelain________________?

Opaque porcelain________________?

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

Opaque porcelain________________? Read More »

Dental Ceramics & Miscellaneous, Dental Materials, Medical Mcqs