Dentistry – Apparatus – Tooth selection guide
Patent
1980-07-02
1983-05-10
Mancene, Gene
Dentistry
Apparatus
Tooth selection guide
433141, A61C 1910
Patent
active
043827845
ABSTRACT:
A dental shade guide selector including a color tooth sample, a handle for manipulating the sample in the mouth and a holder for storing the color tooth samples. The color tooth sample includes a frame having a base plate and a rim bordering the plate. A layer of porcelain or the like is fused or otherwise fixidly attached on the plate inside the border of the rim. The plate has a front convex surface and a rear concave surface. The rim has a greater height at the incisor end of the tooth sample than at the gingival end of the tooth sample, so that the porcelain layer is thicker at the incisor end than at the gingival end. A pair of spaced apart feet extend outward from the rear surface of the plate to define a channel (curved) therebetween for receiving the support of the artificial tooth positioned in the mouth. The method for using the tooth sample comprises the obtaining of a first batch of said porcelain to simulate a first color, and constructing therefrom a first color sample, for matching the color of real teeth, and using said first batch to construct artificial teeth having said first color, and discarding said first color sample when said first batch of porcelain is depleted. A second batch of said porcelain simulating said first color is obtained and a second color sample is constructed from said second batch, and using the second batch to construct artificial teeth having said first color.
REFERENCES:
patent: 362803 (1887-05-01), White
patent: 1335681 (1920-03-01), Goodwin
patent: 1382010 (1921-06-01), Nishi
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patent: 1634687 (1927-07-01), Sanders
patent: 1704723 (1929-03-01), Charen
patent: 2249634 (1941-07-01), Myerson
patent: 2262641 (1941-11-01), Hayward
patent: 2706854 (1955-04-01), Skinner
patent: 2756504 (1956-07-01), Levine
Goldberg Jerome
Mancene Gene
Wilson John J.
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