320Dental MaterialsMedium
Percentage of zinc in ZOE cement is________?
A80%
B90%
C60%
D70%
Correct answer
D. 70%
Explanation
The correct answer is 70%.
Correct answer
D. 70%
Explanation
The correct answer is 70%.
The effects associated with cold working can be eliminated by a heat treatment called________?
Inelastic impression material is________?
The maximum shrinkage during firing proces in ceramic occurs in________?
Model plaster (white) used to cast study models before mixing with water, is largely composed of________?
To prevent porosity in dental porcelain it should be backed________?
Which of the following impression material is elastic________?