Dental porcelain composition

Details Dental porcelain composition Dental porcelain composition

1998-05-28

1999-08-31

Group, Karl

Compositions: coating or plastic

Coating or plastic compositions

Dental

501 6, 501 25, 501 57, 501 64, 4332021, 4332171, 4332221, C03C 1010

Patent

active

059448849

ABSTRACT:
A porcelain composition for dental restorations comprising a leucite crystallite phase and a glass matrix phase, wherein the leucite crystallites possess diameters not exceeding about 10 micron. Preferably, the porcelain composition has a maturing temperature from about 750.degree. to about 1050.degree. C. and a coefficient of thermal expansion from about 12.times.10.sup.-6 /.degree. C. to about 17.5.times.10.sup.-6 /.degree. C., and comprises:

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K. Krumbholz, Dreieich, Stand und Entwicklung von Dentalkeramiken, ZWR, 101. Jahrg. 1992, Nr. 3 (with translation).

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