Dentistry – Apparatus – Tooth selection guide
Patent
1991-11-13
1993-11-02
Wilson, John J.
Dentistry
Apparatus
Tooth selection guide
206 83, A61C 1910
Patent
active
052579310
ABSTRACT:
A system for providing artificial teeth with life-like shade and hue, or for matching the shade and hue of an artificial tooth with the shade and hue of one's natural teeth, employs a double-sided master shade guide and a plurality of paired sample teeth, with each pair having a given shade and hue corresponding to a tooth on the master shade guide and attached to a holder. One side of the master shade guide includes a first set of reference teeth arranged by shade, while a second set of reference teeth arranged by hue and visually isolated from the first set are disposed on a second, opposed side of the shade guide. A support base, or carrier, is adapted to receive and support the master shade guide and the paired sample teeth holders. The carrier includes a plurality of spaced compartments, each receiving and supporting a plurality of paired sample teeth holders. All pairs of sample teeth in a given compartment are of the same shade and hue. The various compartments contain pairs of sample teeth covering the full range of shade and hue found on the master shade guide. One sample tooth is removably attached to its associated holder, while the other paired sample tooth remains with the holder. The holder is adapted to receive patient indicia as is the removable sample tooth allowing one sample tooth to be sent to a laboratory for fabrication of an appliance, while permitting the dentist to retain the matched sample tooth for his records and for verification of the fabricated appliance.
REFERENCES:
patent: 1423921 (1922-07-01), Duffy
patent: 1709066 (1929-04-01), Field
patent: 2184977 (1939-12-01), Martin
patent: 2805478 (1957-09-01), Adams
patent: 4115922 (1978-09-01), Alderman
patent: 4541801 (1985-09-01), Mackert et al.
American Tooth Industries
Wilson John J.
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