Dental porcelain shading guide and method of use therefore

Details Dental porcelain shading guide and method of use therefore Dental porcelain shading guide and method of use therefore

1996-05-07

1998-04-28

Lewis, Ralph

Dentistry

Apparatus

Tooth selection guide

434263, 434269, A61C 1910

Patent

active

057437300

ABSTRACT:
A color rendering system for obtaining accurate tooth color. The device has a base sheet, with various tooth outlines printed thereon. Above the base sheet are a number of clear sheets made of mylar, or similar type material. These sheets are then collected and formed into a pad. Three sheets can be used, thereby giving four layers of color, which is sufficient for most cases. Additional clear sheets can be added, however. The dentist can then mark each with the placement of color for a particular layer. When finished, the sheets overlap, providing a detailed picture of tooth color using the four factors discussed above, and the positions of those colors within the tooth.

REFERENCES:
patent: 396381 (1889-01-01), Yaggy
patent: 1582122 (1926-04-01), Clapp
patent: 3492743 (1970-02-01), Schmidt
patent: 3889397 (1975-06-01), Flood
patent: 4608015 (1986-08-01), Smigel
patent: 5004417 (1991-04-01), Giarmita
patent: 5240414 (1993-08-01), Thompson
patent: 5494442 (1996-02-01), Hecht

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