Dental articulator

Details Dental articulator Dental articulator

2007-09-25

2007-09-25

Bumgarner, Melba N. (Department: 3732)

Dentistry

Apparatus

Work support

C433S054000, C433S057000

Reexamination Certificate

active

11146162

ABSTRACT:
A dental articulator includes a lower jaw member, two pillars each extending vertically upwardly from the lower jaw member. The pillars each carry a ball, which correspond to a human mandibular condyle. The articulator further includes an upper jaw member disposed over the lower jaw member and carrying housings each provided on either side of a rear portion of said upper jaw member. Each of the balls is received in one of the housings so that the upper jaw member is vertically pivotable about the balls. Each housing includes a top wall coupled to the upper jaw member so as to be vertically movable relative to the upper jaw member while kept in contact with one of the balls and configured to be fixed to the upper jaw member at any position, and a rear wall coupled to the upper jaw member so as to be movable back and forth while kept in contact with one of the balls and configured to be fixed to the upper jaw member.

REFERENCES:
patent: 2824371 (1958-02-01), Granger
patent: 3818595 (1974-06-01), Stuart
patent: 4439150 (1984-03-01), Edwardson
patent: 4445855 (1984-05-01), Hobo et al.
patent: 4496319 (1985-01-01), Steinbock
patent: 4687442 (1987-08-01), Wong
patent: 4721463 (1988-01-01), Lee
patent: 4764113 (1988-08-01), Hiranuma
patent: 5431564 (1995-07-01), Guichet
patent: 6287113 (2001-09-01), Nagata
patent: 6299442 (2001-10-01), Shiao et al.
patent: 2002/0012896 (2002-01-01), Nagata
patent: 2000-42004 (2000-02-01), None

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