Dentistry – Prosthodontics – Holding or positioning denture in mouth
Patent
1989-10-20
1991-12-17
O'Connor, Cary E.
Dentistry
Prosthodontics
Holding or positioning denture in mouth
433174, A61C 800
Patent
active
050731114
ABSTRACT:
A system and method is provided for implanting tooth analogues in the jawbone resulting in aesthetically and functionally desirable gingival tissue contours after restoration. The system permits modification and adaptation of the tooth analogue to meet intraoral demands in a manner similar to that used in the preparation and restoration of natural teeth. The system comprises a standard fixture and cover screw passed through opened gingival tissue and implanted in the jawbone. After the osseointergration of the fixture, the gingiva is reopened, the cover screw removed and a healing cap having a predetermined contour, is attached to the fixture. The reopened gingiva re-heals in a shape determined by the contour of the healing cap. The healing cap is then removed and replaced by an abutment having an emergence profile matching that of the healing cap. An immediate snug fit between the gingival tissues and the abutment is thereby provided at the time of connection of the abutment to the fixture. A crown is removably attached to the abutment by a screw extending through the side of the crown into the abutment.
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O'Connor Cary E.
Rozsa Thomas I.
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