4105MedicalMedium
For porcelain fused to metal crown, the porcelain should have ________?
ALinear coefficient of thermal expansion less than that of metal
BHigh fusion temperature
CLinear coefficient of thermal expansion more than that of metal
DHigh fusion expansion
Correct answer
A. Linear coefficient of thermal expansion less than that of metal
Explanation
The correct answer is Linear coefficient of thermal expansion less than that of metal.