Flexible lower artificial denture

Details Flexible lower artificial denture Flexible lower artificial denture

1988-04-25

1990-05-08

Swiatek, Robert P.

Dentistry

Prosthodontics

Denture liner or cushion

433169, A61C 1302

Patent

active

049237950

ABSTRACT:
A pair of denture sections have curved front and side portions cooperating to form a U-shape to fit the lower jaw of a person. Front edges of the sections are disposed adjacent each other and between two front teeth and a bottom layer of resilient material is bonded integrally to both sections. A front reinforced portion of resilient material connects the sections together into an integral unit. The resilient connection allows the sections to adjust relative to each other to compensate for distortion of the gums during chewing, and a flexible torsion bar is connected across the front edges in an area through a reinforcing portion of the resilient material whereby to reinforce the connection and yet to allow the adjustable movement of the sections.

REFERENCES:
patent: 2266478 (1941-12-01), Snell
patent: 2277370 (1942-03-01), Sheedy
patent: 2664631 (1954-01-01), Hollander et al.
patent: 2770880 (1956-11-01), Sherrod
patent: 2896324 (1959-07-01), Plotnick
patent: 2911720 (1959-11-01), Greenmun
patent: 3813778 (1974-06-01), Van Handel
patent: 3837079 (1974-09-01), Cecero
patent: 3921293 (1975-11-01), Kemmurdji
patent: 4634381 (1987-01-01), Kusano et al.
patent: 4654006 (1987-03-01), Kusano et al.

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