418Dental MaterialsMedium
Subsurface porosity is due to________?
APacking past the dough stage
BThermal changes
CLack of temperature
DThickness of the resin
Correct answer
B. Thermal changes
Explanation
The correct answer is Thermal changes.
Correct answer
B. Thermal changes
Explanation
The correct answer is Thermal changes.
Deformation that is recovered upon removal of an externally applied force or pressure is known as________?
Binder used in Gypsum investment is________?
Strength of zinc phosphate is effected by________?
Electrolyte used for plating copper dies is________?