O-ring attachment system for dental prosthesis

Details O-ring attachment system for dental prosthesis O-ring attachment system for dental prosthesis

1990-06-26

1991-09-17

Wilson, John J.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

433177, A61C 800, A61C 1312, A61C 13225

Patent

active

050490729

ABSTRACT:
An o-ring attachment system with opposed convex circumferential surfaces for removable dentures to be attached to a natural or an implanted fixed root system. The o-ring attachment system can be screwed into an implanted root using a manipulating means interposed between o-ring abutment and an attachment screw. In connection therewith, a tool is provided for implanting the o-ring attachment system, the tool having a captured toroidal spring for gripping the attachment system.

REFERENCES:
patent: 2866285 (1957-03-01), Gerber
patent: 3656236 (1972-04-01), Kurer
patent: 4177562 (1979-12-01), Miller et al.
patent: 4193194 (1980-03-01), Dalise
patent: 4204321 (1980-05-01), Scott
patent: 4609354 (1986-09-01), Koch
patent: 4681542 (1987-07-01), Baum
patent: 4872839 (1989-10-01), Brajnovic
patent: 4976739 (1990-12-01), Duthie, Jr.

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