Powder composition for the preparation of an opaque dental porcelain in the form of a paste
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United States of America Patent
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Oct 21, 1997
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N/A
app pub date -
Jun 7, 1996
filing date -
Jun 8, 1995
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Abstract
A powder composition for the preparation of an opaque dental porcelain, containing as its components one or more feldspar frits consisting of a number of feldspar frits of different chemical compositions and different physical properties; CeO.sub.2 as the opacifier, optionally additional opacifiers; and optionally pigments.
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