Patent
1976-09-27
1978-07-04
Mancene, Louis G.
A61G 1300
Patent
active
040979920
ABSTRACT:
The disclosure relates to a method for producing artificial dentures comprising the preparation of a plurality of substantially identical generally U-shaped hard base denture elements and fixing teeth thereto and using one of the hard base elements with teeth thereon to produce a temporary denture with a soft layer thereon and formably fitting the soft layer to a patient's mouth; then placing impression formable material in the soft layer and inserting it in the patient's mouth to impression form the impression formable material so as to attain a model upon which dental stone molds are cast; then placing another one of said substantially identical hard bases with teeth attached thereto in one of the dental stone molds and subsequently casting a hard impressionable plastic material against the opposite side of said denture element from said teeth and allowing the last mentioned material to cure and bond to the said substantially identical hard base element to thereby form a hard structural denture which conforms to the patient to which the aforementioned formable layer was impression fitted by the first mentioned impression formable material.
The disclosure also relates to a rubber-like shield which may be placed over the generally U-shaped hard base denture element and the teeth fixed thereto such that portions of the teeth and the opposite portion of the hard base are exposed and whereby the shield prevents dental stone from adhering to the teeth and the U-shaped base during the casting of the dental stone molds therearound and subsequently during the final casting of the final impression formable material in the molds against the U-shaped base opposite to the teeth fixed thereon.
REFERENCES:
patent: 3460252 (1969-08-01), Schneider et al.
patent: 3567806 (1971-03-01), Dyal
patent: 3839796 (1974-10-01), Hazar
patent: 4012838 (1977-03-01), Abdenour
patent: 4017971 (1977-04-01), Hazar
Flickinger Don J.
Mancene Louis G.
Robertson John A.
Warner-Lambert & Company
Wilson John J.
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