SHADE GUIDE, METHOD FOR DISCRIMINATING TOOTH COLORS, ARTIFICIAL TOOTH MANUFACTURING METHOD

In a shade guide (100), a plurality of shade tabs whose colors are mutually different are arranged regularly based on the colors. The arrangement of the plurality of shade tabs is an arrangement determined based on: S values and V values that are determined according to to which areas, from among ar...

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Bibliographische Detailangaben
Hauptverfasser: NEGORO, NORIYUKI, YOSIMOTO, RYUICHI, YAMAMOTO, MAKOTO, YASUI, MASUHITO, SHOU, KOUJI
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:In a shade guide (100), a plurality of shade tabs whose colors are mutually different are arranged regularly based on the colors. The arrangement of the plurality of shade tabs is an arrangement determined based on: S values and V values that are determined according to to which areas, from among areas partitioned by a plurality of straight lines in an L*-C* plane, the coordinates of the colors of the shade tabs belong, and H values that are determined according to to which areas, from among areas partitioned by a plurality of straight lines in an a*-b* plane, the coordinates belong. S groups (Sa to Sf), each of which is a shade tab group having a common S value, are arranged in the shade guide. V rows, each of which is a shade tab group having a common V value, are arranged in each S group. In each V row, the plurality of shade tabs have mutually different H values and are aligned in an order that is in accordance with the H values. Using this shade guide enables precisely and easily discriminating the color of an evaluation target tooth.