261Dental MaterialsMedium
The function of a sprue is to________?
AEliminate air bubbles on the wax pattern
BHelp polish cast restorations
CForm an opening of molten metal to enter the mold
DReproduce fine detail
Correct answer
C. Form an opening of molten metal to enter the mold
Explanation
The correct answer is Form an opening of molten metal to enter the mold.