T-attachment for the detachable fastening of dental prostheses

Details T-attachment for the detachable fastening of dental prostheses T-attachment for the detachable fastening of dental prostheses

1987-04-03

1988-08-30

Wilson, John J.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

433182, A61C 13225

Patent

active

047673290

ABSTRACT:
A T-attachment for the detachable fastening of dental prostheses and bridges to the residual denture which is still elastic after activation and which makes possible an even friction. The T-attachment consists of a matrix and a patrix. The patrix is provided with a continuous slot and has a longitudinal beam. An activation part is attached to the longitudinal beam, and also is provided with a slot. The slot in the activation part is open adjacent the longitudinal beam of the patrix, but has a closed slot end within the activation part. Activation is achieved by means of a conical screw which is inserted parallel to the slot end, within the activation part, the cone of the screw being located in the shaft area of the screw.

REFERENCES:
patent: 2271796 (1942-02-01), Eckman
patent: 3117377 (1964-01-01), Poveromo
patent: 4196516 (1980-04-01), Poveromo
patent: 4474499 (1984-10-01), Pedrazzini

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