Gypsum bonded investment should not be heated over______________?

Related Mcqs:

The function of a sprue is to_______________?

A. Form an opening of molten metal to enter the mold B. Help polish cast restorations C. Eliminate air bubbles on the wax pattern D. Reproduce fine detail...

Inlay wax is used to_______________?

A. Temporarily cement inlays: B. Make inlay wax patterns C. Invest inlay patterns D. Box models...

Fins and spines on the casting is seen due to_______________?

A. Prolonged heating: B. Rapid heating me C. Water film contamination D. Too high pressure during casting...

Shape memory is seen in________________?

A. Stainless steel wire B. NITTINOL wire C. TMA wire D. Aluminium...

The strength of a gypsum investment is dependent on_______________?

A. Carbon content B. Silica content C. Gypsum D. Copper...