Reinforcement of dental and other composite materials
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United States of America Patent
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Jan 19, 1999
Grant Date -
N/A
app pub date -
May 8, 1997
filing date -
May 8, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A composition useful as a restorative material includes a curable matrix with whiskers which preferably have a silicon dioxide containing coating thereon that are then silanized and may also include optional particulate filler of the type which may release fluorides. The polymeric matrix bonds more tightly to the whiskers due to the coating of silicon dioxide on the surface of the whiskers and the coaction between said silicon dioxide and the silane compound. Particles adhered to the whisker also enhance the mechanical properties by virtue of the whisker's surface being thereby roughened. A method of manufacture is also disclosed.
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