Device for the production of a dental working model for the prep

Details Device for the production of a dental working model for the prep Device for the production of a dental working model for the prep

1979-03-28

1981-08-11

Mancene, Gene

Dentistry

Apparatus

Having static product shaping surface

249 54, 425179, A61C 1900

Patent

active

042831733

ABSTRACT:
PCT No. PCT/DE78/00015 Sec. 371 Date Apr. 1, 1979 Sec. 102(e) Date Mar. 28, 1979 PCT Filed July 26, 1978 PCT Pub. No. WO79/00076 PCT Pub. Date Feb. 22, 1979
The invention relates to a device for producing a working model for making dental prostheses, which comprises a base presenting an open portion on both sides and features a hollow portion adapted to the shape of the jaws and presenting ribs on both inner surfaces, said ribs acting as retaining members for the plaster model and having the shape of ramps with a constant slope from top to bottom, the hollow portion widening from bottom to top. Between the inner wall of the base and its back wall is a horizontal plate which has roughly the shape of a parabola, said horizontal plate being set off downwards and with respect to the top edge of the wall.

REFERENCES:
patent: 2058838 (1936-10-01), Stahl
patent: 2577420 (1951-12-01), Jablonski et al.
patent: 2786272 (1957-03-01), Lindley
patent: 3128725 (1964-04-01), Becker et al.
patent: 3686759 (1972-08-01), Pross geb. Hogreve
patent: 3702027 (1972-11-01), Marshall et al.
patent: 3882601 (1975-05-01), Jahn
patent: 4022419 (1977-05-01), Haker
patent: 4059902 (1977-11-01), Shiokawa
patent: 4116416 (1978-09-01), Segura

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