Disposable tooth color shade guide

Details Disposable tooth color shade guide Disposable tooth color shade guide

1989-11-06

1990-12-18

Stone, Cary E.

Dentistry

Apparatus

Tooth selection guide

A61C 1910

Patent

active

049782967

ABSTRACT:
A tooth color shade guide which has a body (20) constructed from photographic paper, thermoplastic, or cardboard, having a number of fingers (22) distending from a base portion (28). A specimen (32) of a color shade is located on the end of each finger, each having a different hue and alpha-numeric designations (34) adjacent thereunto allow natural tooth color to be matched and identified. The attaching end (26) of the fingers are perforated (30), permitting them to be individually torn-off for comparison and then the entire color shade guide may be disposed of after use. A visual indicating surface (38) may be added to the fingers that is light sensitive and changes color in a few minutes after exposure. This surface (38) has a message imprinted in writing indicating the guide has been used preventing cross-contamination with other patients. Alternately, a moisture indicating surface (39) may be added to the back of each finger exhibiting use by changing color when in contact with moisture present in a persons mouth.

REFERENCES:
patent: 2156880 (1939-05-01), Slomon
patent: 4292916 (1981-10-01), Bradley et al.

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