107Dental MaterialsMedium
Localised shrinkage porosity is seen when there________?
AInadequate air discharge
BNo reservoir
CThin sprue
DInvestment heated strongly
Correct answer
C. Thin sprue
Explanation
The correct answer is Thin sprue.
Correct answer
C. Thin sprue
Explanation
The correct answer is Thin sprue.
Wash or corrective impression is done by________?
Quartz is Dental porcelain is________?
Suck back porosity is due to________?
Minimum thickness for type I zinc phosphate cement should be________?
The function of a sprue is to________?
Binder used in Gypsum investment is________?