Dental attachment for fixing dental prostheses

Details Dental attachment for fixing dental prostheses Dental attachment for fixing dental prostheses

1983-03-03

1984-10-09

Wilson, John J.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

433191, A61C 1322

Patent

active

044758910

ABSTRACT:
A dental attachment for fixing a dental prosthesis to healthy teeth comprising a male portion 1 which is rigidly fixed to a living tooth and a female portion 2 which is fixed to the dental prosthesis, the male portion 1 comprising two pins 8 which are intended to be engaged and sealed by one of their ends in holes in a living tooth, the other end of the pins 8 having a heel portion 9 which is retained in a recess 5 provided in a male connecting member by means of a plate 6 having a T-shaped slot 7 through which the pins 8 extend, the thickness of a head portion 9 of the pins 8 being less than the depth of the recess 5, the male portion 1 also having a coupling portion 10 comprising three frustoconical drillings 11, 12, 13 having their axes parallel, the drillings 11, 12, 13 flaring outwardly upwardly and being disposed in a triangular configuration.

REFERENCES:
patent: 1299067 (1919-04-01), Underwood
patent: 1471754 (1923-10-01), Rosenblum
patent: 2705366 (1955-04-01), Van Dyk
patent: 4380436 (1983-04-01), Kipp

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