Importance

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Abstract

A dental implant has an inner root part adapted to be seated in a jawbone, an outer root part adapted to be seated in the jawbone outwardly of the inner root part, and a screw for displacing the outer root part outward relative to the inner root part. Such an implant is used by first drilling in a jawbone from an outer surface thereof a hole extending along an axis and forming in the jawbone a throughgoing first cut generally parallel to the outer surface of the jawbone and traversed by the bore. The implant member is fitted to the bore so that the inner part engages the jawbone to one side of the cut and the outer part engages the jawbone to the other side of the cut. Then the jawbone is cut again generally parallel to the first cut is free from the jawbone a piece of bone engaged by the outer part. Subsequently the core-member parts are periodically axially separated by means of the screw to axially outwardly displace the piece of bone from the jawbone and promote bone growth in the cut until the piece of bone has been moved axially outward a predetermined distance from the jawbone. Finally a dental prosthesis is mounted on an outer end of the outer part.

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First Claim