Porcelain coating compositions for low expansion porcelain cores

Details Porcelain coating compositions for low expansion porcelain cores Porcelain coating compositions for low expansion porcelain cores

1995-08-18

1997-03-25

Robinson, Ellis

Stock material or miscellaneous articles

Composite

Of inorganic material

428 70, 428 76, 428404, 428699, 428701, 428702, 106 35, 433206, 4332121, 501 14, 501 21, 501 25, 501 27, B32B 900

Patent

active

056143303

ABSTRACT:
An all-ceramic dental restoration comprising a ceramic core over and at least one coating thereon of a porcelain composition having a maturing temperature of from about 850.degree. to about 1050.degree. C. and a coefficient of thermal expansion of from about 4.0 to about 13 (room temperature to 500.degree. C.) parts per million per .degree.C. comprising:

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