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US 4,321,042 AGranted
Ceramic dental implant
OwnerHans Scheicherinventor
Life of this patent
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Abstract
A dental implant having a sintered and porous surface and comprising a biocompatible ceramic matrix and, intermixed therein, inorganic fibers.
Claims15
A dental implant wherein the surface portion thereof where tissue ingrowth is to occur is sintered and porous and comprises a biocompatible dental ceramic matrix containing about 0.02 to 0.05 wt. percent inorganic fibers having a diameter of less than about 0.6 mm and a length of about 0.1 to 60 mm, said surface portion comprising pores of an average pore diameter of approximately 100 to 200 .mu.m and said inorganic fibers having a melting temperature higher than the sintering temperature of said matrix.
Dependencies are inferred from the claim text.