Base assembly for fabrication of false teeth

Details Base assembly for fabrication of false teeth Base assembly for fabrication of false teeth

2007-03-20

2007-03-20

Lewis, Ralph A. (Department: 3732)

Dentistry

Apparatus

Work support

C433S074000

Reexamination Certificate

active

11201200

ABSTRACT:
A base assembly for fabrication of false teeth includes a base, and a gum-like raised portion is provided on the said base, a plurality of protruding blocks are provided symmetrically and evenly at the interior and exterior arc edges on the raised portion, and positioning holes are provided between two opposite protruding blocks; a removable holddown plate with a configuration corresponding to the said raised portion is provided over the raised portion, and the holddown plate has a flat surface on the upper surface, has the recesses corresponding to the protruding blocks to be engaged with the protruding blocks and the mounting pins corresponding to the positioning holes to be engaged with the positioning holes on the lower surface. The time to fabricate false teeth is largely reduced and the fabrication accuracy of the false teeth is improved by using the base assembly of the present invention.

REFERENCES:
patent: 3478428 (1969-11-01), Stengel
patent: 4203219 (1980-05-01), Wiener
patent: 4238189 (1980-12-01), Tirino
patent: 4265619 (1981-05-01), Lucki et al.
patent: 5611686 (1997-03-01), Silva
patent: 5658143 (1997-08-01), Kuperman
patent: 5775899 (1998-07-01), Huffman
patent: D452566 (2001-12-01), Huffman
patent: 6402513 (2002-06-01), Sim
patent: 2002/0031743 (2002-03-01), Kim
patent: 2002/0164556 (2002-11-01), Huffman

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