PROBLEM TO BE SOLVED: To obtain a tooth bleaching material improved in adhesiveness to a discolored tooth and retainability and enhanced in operationability in the tooth bleaching material comprising a combination of titanium oxide generating photocatalytic action by light irradiation, a compound generating hydrogen peroxide in an aqueous solution and an inorganic clay mineral, and to provide a tooth bleaching method.SOLUTION: The tooth bleaching material is prepared by adding a small amount of an organic thickener to the tooth bleaching material comprising the combination of titanium oxide generating the photocatalytic action by light irradiation, the compound generating hydrogen peroxide in an aqueous solution and the inorganic clay mineral. The tooth bleaching method using the same is provided.COPYRIGHT: (C)2007,JPO&INPIT【課題】光照射により光触媒作用を生じる酸化チタン、水溶液中で過酸化水素を発生する化合物、無機粘土鉱物の組み合わせからなる歯牙漂白材において、変色歯牙への付着性及び保持性が改善され操作性が向上した歯牙漂白材及び歯牙漂白方法を提供する。【解決手段】光照射により光触媒作用を生じる酸化チタン、水溶液中で過酸化水素を発生する化合物、無機粘土鉱物の組み合わせからなる歯牙漂白材に少量の有機増粘剤を加えた歯牙漂白材およびそれを用いた歯牙漂白方法。
