Process for restoring an osseous defect or deficiency by filling with osseous tissue
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United States of America Patent
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Apr 20, 1993
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N/A
app pub date -
Apr 19, 1990
filing date -
Apr 20, 1989
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Expired
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Abstract
Process for the restoration of an osseous defect or deficiency by filling with osseous tissue with the aid of a bioreactive granular material causing an osteostimulation, the particles of said granular material being disintegrated from the inside, dissolved and replaced by osseous tissue, the granular material containing 40 to 55% SiO.sub.2, 10 to 32% Na.sub.2 O, 0 to 12% P.sub.2 O.sub.5 and 10 to 32% CaO, which has a grain size distribution between 280 and 425 .mu.m, sharp edges, an irregular profile and surface microdefects or microcracks.
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