Non-rotational single-tooth prosthodontic restoration

Details Non-rotational single-tooth prosthodontic restoration Non-rotational single-tooth prosthodontic restoration

1988-06-23

1990-09-11

Wilson, John J.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

433213, A61C 800

Patent

active

049558110

ABSTRACT:
A method and a system for preparing a single-tooth prosthodontic restoration for non-rotational fixation to a dental implant fixture of the kind having a threaded socket together with anti-rotation means to restrain components non-rotationally attached to the fixture. The system provides a set of attachments comprising a two part impression coping having anti-rotation means cooperative with the anti-rotation means of the fixture and index means to fix the coping against rotation when encased in resilient impression material, a laboratory analog having a replica of the anti-rotation means of the fixture and core means on which to fabricate the restoration, the core means having a replica of the anti-rotation means of the impression coping. The method of using the system prepares a single-tooth restoration for fixation on an implanted fixture non-rotationally and with the desired orientation around its axis, so that no stabilizing connection to an adjacent tooth is required.

REFERENCES:
patent: 4713003 (1987-12-01), Symington et al.
patent: 4744753 (1988-05-01), Ross
patent: 4758161 (1988-07-01), Niznick

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