Dentistry – Apparatus – Work support
Patent
1987-11-20
1989-09-12
Peshock, Robert
Dentistry
Apparatus
Work support
433 62, A61C 1100
Patent
active
048655449
ABSTRACT:
An articulator for the accurate but resilient positioning of a pair of dental model casts, to provide convenient assess for a technician working on the casts. The articulator (10) comprises a resilient frame (20) having hinged intermediate portions (28), (30) which are attached to mating end portions (22), (24). The frame (20) is attached to a pair of mounting elements (50), (52) by means of connecting rods (64), (66) the balls (68), (70), (72), (74) of which are received in sockets (54), (56), of the mounting elements and sockets (60), (62) of the intermediate portions (28), (30) of the frame (20). The mounting elements are cast into dental model casts (12) and (14). When appropriate positioning of the elements is achieved, an adhesive is applied between the sockets and the balls of the connecting rods so as to maintain the desired position of the casts and articulator relative to each other. The resiliency of the frame (20) permits movement of the casts in a manner which simulates movements of a denture in actual use.
REFERENCES:
patent: 4196518 (1980-04-01), Benzaria
patent: 4533323 (1985-08-01), Huffman
Peshock Robert
Staudt James E.
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