Flexible clasp for a removable partial dental prosthesis and met

Details Flexible clasp for a removable partial dental prosthesis and met Flexible clasp for a removable partial dental prosthesis and met

1983-08-10

1984-11-20

Peshock, Robert

Dentistry

Prosthodontics

Stress breaker

A61C 1328

Patent

active

044836775

ABSTRACT:
A flexible clasp for removable mounting of a partial dental prosthesis to an abutment tooth is disclosed. The clasp includes a retention arm (42) formed to extend around at least a portion of the side of an abutment tooth (27) to retain the prosthesis in an edentulous space (26). In the improved clasp (41), the retention arm (42) is coupled to the prosthesis at a location in the edentulous space, preferably about one tooth width from abutment tooth (27) so as to cantilever support the retention arm (42) for resilient lateral displacement with respect to the abutment tooth. Preferably, a resiliently displaceable tubular member (51) is mounted to the retention arm (42) which is held to the prosthesis by a clip (43) surrounding the tubular member (51) and arm (42). The method of the present invention includes coupling the prosthesis to the clasp (41) through the retention arm portion (42) of the clasp while maintaining the resilient displaceability of the retention arm (42) to provide both a retention function and a stress relieving function.

REFERENCES:
patent: 2674040 (1954-04-01), Lenzer

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