Ceramic fused fiber enhanced dental materials
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United States of America Patent
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Apr 15, 1997
Grant Date -
N/A
app pub date -
Feb 8, 1995
filing date -
Feb 8, 1995
priority date (Note) -
Expired
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Abstract
The preferred embodiment of the present invention provides novel and unique filler compositions and ceramic enhanced dental materials. The preferred embodiment of the filler composition and the ceramic dental restorative material is comprised of about 22% by weight alumina, about 78% by weight silica, about 2% by weight silicon carbide, and about 2.85% by weight boron nitride with less than 1% cristobalite contamination.
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