Dental-porcelain color matching system

Details Dental-porcelain color matching system Dental-porcelain color matching system

1987-04-21

1989-02-07

Wilson, John J.

Dentistry

Apparatus

Tooth selection guide

A61C 1910

Patent

active

048028509

ABSTRACT:
A dental-porcelain color matching system comprises a plurality of dental-porcelain beads arranged in a closely spaced manner on a common support so that their colors vary in an ordered manner. The beads are carried at the ends of arms which are either flexible or pivotable on a main trunk of the support so that a bead to be located against a patent's natural tooth for color comparison therewith can be moved away from other beads on the support to avoid color interference therefrom. Additional beads provided have varying translucent enamels on opaque porcelain bases to allow the color, translucency and depth of enamel of a patient's teeth to be gauged. The beads also vary in shape from that of an unworn natural incisor tooth with a ridged cutting edge to that of a worn incisor tooth with a smooth cutting edge.

REFERENCES:
patent: 785992 (1905-03-01), Whiteley
patent: 1565244 (1925-12-01), Angell
patent: 1709066 (1929-04-01), Field
patent: 2805475 (1957-09-01), Adams
patent: 4115922 (1978-09-01), Alderman
"The Key to New Trubyte Shades", Nov. 30, 1936.

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