The most common cause of porosity in porcelain jacket crowns is, A. Moisture contamination B. Excessive firing temperature C. Failure to anneal the platinum matrix D. Excessive condensation of the porcelain E. Inadequate condensation of the porcelain

The most common cause of porosity in porcelain jacket crowns is,
A. Moisture contamination
B. Excessive firing temperature
C. Failure to anneal the platinum matrix
D. Excessive condensation of the porcelain
E. Inadequate condensation of the porcelain
by

1 Answer

Answer :

E. Inadequate condensation of the porcelain
by

Related questions

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“Pop off” of a porcelain veneer from the under the lying gold crown is due to:** A. Too thick application of pure gold surface conditioner B. Contamination at the porcelain metal interface C. Under firing the opaque layer D. All of the above

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Rough surface/Porosity of porcelain is a result of: A. Lack of compression/ condensation B. Sudden high temperature

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