Living hard tissue replacement, its preparation
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United States of America Patent
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Jun 30, 1992
Grant Date -
N/A
app pub date -
Jun 29, 1990
filing date -
Jun 30, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A living hard tissue replacement is prepared by superplastic forming a ceramic material which contains CaO, SiO.sub.2, and MgO, is substantially free of calcium phosphate, but capable of forming a calcium phosphate base compound upon contact with phosphorus-containing water. A replacement is also prepared by superplastic forming a sintered composite body comprising a calcium phosphate base ceramic matrix and an inorganic filler dispersed therein. Both the replacements are suitable as artificial dental roots and crowns.
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