Plug forming removable closure in openings of dental appliances

Details Plug forming removable closure in openings of dental appliances Plug forming removable closure in openings of dental appliances

1989-10-31

1991-11-12

Swiatek, Robert P.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

433220, A61C 800

Patent

active

050643738

ABSTRACT:
A plug and method of its use are disclosed for forming a removable closure in openings of dental appliances or other physiological appliances, the plug including an elongated shaft portion having a diameter mating with the opening, and an inner or gingival end of the plug which is enlarged by up to about 5%, more preferably about 1-5% and most preferably about 1-2% relative to the elongated shaft portion, the enlarged gingival plug end being an annulus having a radial thickness of up to about 20% and more preferably about 11% of the diameter of the enlarged plug end, the enlarged plug and the thickness of the annulus being selected together with the shaft material, preferably a resilient elastomer, to produce a cork type or press-fit engagement of the enlarged plug end in the appliance opening to retain the plug firmly in place. Preferably, the enlarged plug portion and the elongated shaft portion of the plug are integrally formed from a material permitting the shaft portion to be terminated relative to and preferably flush with the outer end of the opening.

REFERENCES:
patent: 571556 (1896-11-01), Comer
patent: 744291 (1903-11-01), Carr
patent: 4177562 (1979-12-01), Miller et al.
patent: 4182034 (1980-01-01), McCauley
patent: 4793808 (1988-12-01), Kirsch
patent: 4854872 (1989-08-01), Detsch
patent: 4907969 (1990-03-01), Ward

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