Dental locking clasp member

Details Dental locking clasp member Dental locking clasp member

1988-12-09

1990-04-17

Swiatek, Robert P.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

A61C 13225

Patent

active

049176056

ABSTRACT:
The dental locking clasp member comprises a U-shaped piece having twin arms with substantially flat parallel opposing inner surfaces connected to an anchor portion having a plurality of anchor grooves. The twin arms have twin opposing locking recesses adjacent the free ends. Additional auxiliary parts may be part of the locking clasp member and include a bar portion with a curved spur, a receptacle portion which has locking projections which engage in the locking recesses in the case of a labial locking clasp and a clasp stem also with locking projections with a stop in the case of a buccal locking clasp. When the additional auxiliary parts are made of wax the entire locking clasp member may be used with a wax pattern to produce a completed partial casting with the appropriate locking clasp in a single casting operation which does not require reworking.

REFERENCES:
patent: 1591155 (1926-07-01), Craigo
patent: 1591156 (1926-07-01), Craigo
patent: 2118555 (1938-05-01), Giffen
patent: 2789350 (1957-04-01), Fischer
patent: 3436825 (1969-04-01), Oddo, Jr.
patent: 4014094 (1977-03-01), Schumann

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