Dentistry – Apparatus – Having gauge or guide
Reexamination Certificate
2007-02-20
2007-02-20
Lewis, Ralph A. (Department: 3732)
Dentistry
Apparatus
Having gauge or guide
C433S173000, C433S165000, C606S099000
Reexamination Certificate
active
11204449
ABSTRACT:
A method and apparatus to remove dental implant. The apparatus comprises a guide ring rotatably attached to a base, means to rotatably attach the guide ring to the base, means to attach the apparatus to an implant, and apparatus to remove dental implant indexing means sized to mate with implant indexing means when the apparatus is attached to the implant. Where an abutment is mounted to the implant, means of attaching the base to the abutment is taught. The method includes the steps of attaching the apparatus to an implant or abutment, sliding a trephine burr bore over the guide ring, and using the guide ring to guide the trephine while drilling into bone in which the implant is implanted, without drilling into the implant or abutment.
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Lewis Ralph A.
Rooy P.A. Paul S.
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