Dental implant

Details Dental implant Dental implant

1993-10-15

1994-07-12

O'Connor, Cary E.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

A61C 800

Patent

active

053283716

ABSTRACT:
A dental implant comprising an implant body which can be anchored in the jawbone and a superstructure portion which can be inserted at least partially in a recess of the implant body and which is fixed in place by a holding screw. The recess in the implant body is provided with a first contact surface and the superstructure portion is provided with an associated second contact surface for securing the superstructure against rotation relative to the implant body in a durable and functionally reliable manner such that play between the implant body and the superstructure is avoided. The superstructure portion is provided with at least one slot extending from its free end to the vicinity of the second contact surface and with a tapered portion disposed radially inwardly of the contact surfaces. When the holding screw is screwed in, a cam surface associated with the holding screw engages the tapered portion such that the superstructure portion is spread radially and the first and second contact surfaces firmly contact each other.

REFERENCES:
patent: 2854746 (1958-10-01), Lester et al.
patent: 4324550 (1982-04-01), Reuther et al.
patent: 5213500 (1993-05-01), Salazar

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