Spacer

Details Spacer Spacer

1990-04-20

1991-12-03

O'Connor, Cary E.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

A61C 800

Patent

active

050696220

ABSTRACT:
An angulated spacer element adapted is at its one end for attachment to a fixture having a threaded aperture and implanted in the jaw bone, and to support a dental prosthesis at the other end. The spacer element, which is a unitary member, has a first portion with an end surface thereof permitting abutting engagement with the protruding end of the implanted fixture. The first portion also has a through bore aligned with the threaded aperture in the fixture and defining an internal ledge to enable a screw to pass through the bore, abut the ledge and threadably engage the threaded aperture in the fixture. The first portion is adapted for locking the spacer element in a selectable one of a plurality of rotational, fixed positions in relation to the protruding portion of the fixture. The unitary spacer element also includes a second portion for supporting the dental prosthesis on the spacer element, the second portion forming an acute angle with respect to the through bore of the first portion.

REFERENCES:
patent: 4645453 (1987-02-01), Niznick
patent: 4713004 (1987-12-01), Linkow et al.
patent: 4780080 (1988-10-01), Haris
patent: 4842518 (1980-06-01), Linkow et al.
patent: 4854872 (1989-08-01), Detsch
patent: 4907969 (1990-03-01), Ward

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