Process for producing dental working cast

Details Process for producing dental working cast Process for producing dental working cast

1992-02-18

1993-08-03

Wilson, John J.

Dentistry

Prosthodontics

Preliminary casting, model, or trial denture

433 36, 433 74, 433223, 264 19, A61C 1100

Patent

active

052323650

ABSTRACT:
The present invention relates to a process for producing dental working cast for use for preparing a crown or a denture of metal-bonded porcelein or of all ceramic in dental therapy, by preparing a removable positive model of tooth from impression, processing it into a model of the working cast and replicating the model using a suitable material chosen from resin, die material, refractory cast material and modified dental stone, to obtain the working cast.

REFERENCES:
patent: 1335372 (1920-03-01), Fredericks
patent: 2409783 (1946-10-01), Moskey
patent: 3647488 (1972-03-01), Brighan et al.
patent: 4172867 (1979-10-01), Devault
patent: 4238189 (1980-12-01), Tirino
patent: 4253835 (1981-03-01), Ware
patent: 4744753 (1988-05-01), Ross

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