Bone graft material for osseous defects and method of making same
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United States of America Patent
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Jul 19, 1983
Grant Date -
N/A
app pub date -
Sep 21, 1981
filing date -
Sep 21, 1981
priority date (Note) -
Expired
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Abstract
Complexes of reconstituted collagen and demineralized bone particles or reconstituted collagen and a solubilized bone morphogenetic protein fabricated in a sponge suitable for in vivo implantation in osseous defects are disclosed. Both demineralized bone particles (DBP) and bone morphogenetic protein have demonstrated the ability to induce the formation of osseous tissue in animal and human experiments. Reconstituted collagen conjugate is highly biocapatible and can be fabricated in a variety of configurations, especially as a sponge. This material can be used as a grafting implant in plastic and reconstructive surgery, periodontal bone grafting, and in endodontic procedures. Structural durability is enhanced by cross-linking with glutaraldehyde which is also used to sterilize and disinfect the collagen conjugate prior to implantation.
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