Dentistry – Apparatus – Tooth selection guide
Patent
1989-04-07
1990-04-24
Stone, Cary E.
Dentistry
Apparatus
Tooth selection guide
A61C 1910
Patent
active
049196170
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 moisture indicating surface (38) may be added to the back of each finger exhibiting use when in contact with moisture present in a person's mouth.
REFERENCES:
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patent: 3964167 (1976-06-01), Yerkes
patent: 4115922 (1978-09-01), Alderman
patent: 4207678 (1980-06-01), Jeannette
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patent: 4744378 (1988-05-01), Bostic
patent: 4810193 (1989-03-01), Wieder
Antons Peter
Antons Samra L.
Anderson Gordon K.
Stone Cary E.
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