Winged dental bridge and process of manufacturing same

Details Winged dental bridge and process of manufacturing same Winged dental bridge and process of manufacturing same

1990-04-19

1991-03-19

Stone, Cary E.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

A61C 13225

Patent

active

050006878

ABSTRACT:
A winged dental bridge includes a flexible bridge framework which is attachable to two abutment teeth, and a relatively hard veneer for placement over an exposed labial surface of the bridge framework. The bridge framework includes a pontic, a first wing extending laterally outwardly therefrom for attachment to a first abutment tooth, and a second wing for attachment to a second abutment tooth. The bridge framework is formed of a laminated resinous composite material including an etchable material which forms the labial surface of the pontic and attachment surfaces of the wings, and a polishable material which entirely covers the lingual surface of the etchable material. In a method for making the winged dental bridge, the uncured resinous composite structure is applied over a separator to a cast taken of the patient's mouth. The uncured bridge framework is light cured on the bridge in a pressurized nitrogen gas environment, and subsequently heat and light cured. The pontic is contoured to receive a relatively hard veneer, a second cast is made of the first cast with the bridge framework applied, and the hard veneer is fabricated utilizing the second resultant cast. Prior to installation, all surface areas of the polishable resin are polished, and all surface areas of the etchable material are acid-etched. The wings of the bridge framework are cemented to the abutment teeth, and the veneer is fixed to the labial surface of the pontic utilizing a dental composite cement which can be colored to match the veneer color when applied to the pontic, to the color of the abutment teeth.

REFERENCES:
patent: 4479527 (1984-10-01), Boettcher
patent: 4552779 (1985-11-01), McClure
patent: 4957439 (1990-09-01), Shoher et al.

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