153Dental MaterialsMedium
Placing cast under tap water is to be avoided as________?
AGypsum is slightly soluble in water and the surface of the cast will be eroded
BH2O interferes with Crystallization of dihydrate
CH2O interferes with hygroscopic expansion
DH2O inhibits polymerization of dental resin
Correct answer
A. Gypsum is slightly soluble in water and the surface of the cast will be eroded
Explanation
The correct answer is Gypsum is slightly soluble in water and the surface of the cast will be eroded.