to enhance strength properties of ceramo metal restoration, it is important to:
a- avoid sharp or acute angles in the metal structure.
b- build up thick layer of porcelain.
c- porcelain should be of uniform thickness and any defect of the preparation should be compensated by the metal substructure.
d- compensate any defect in the preparation equally by porcelain and metal substructure
e- 1 & 2 are correct.
***f- 1 & 3 are correct.
g- 2 and 4 are correct.
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