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    • 2. 发明申请
    • Method for bleaching teeth and bleaching agent for teeth
    • 用于牙齿漂白牙齿和漂白剂的方法
    • US20060222604A1
    • 2006-10-05
    • US11434871
    • 2006-05-17
    • Shin YamaguchiToshihiro SekiguchiKeisuke IkushimaShoji AkahaneKoyu AokiTakeshi MorikawaTakeshi OhwakiYasunori Taga
    • Shin YamaguchiToshihiro SekiguchiKeisuke IkushimaShoji AkahaneKoyu AokiTakeshi MorikawaTakeshi OhwakiYasunori Taga
    • A61K8/29
    • A61K8/29A61K2800/81A61Q11/00
    • A method for bleaching teeth comprises steps of applying a solution containing nitrogen-deeped titanium oxide powder on a surface of teeth, and irradiating the applied part with light to bleach the teeth based on a photocatalytic action thus produced, and a bleaching agent for teeth suitable for carrying out the method comprises a solution containing nitrogen deeped titanium oxide powder, in which the nitrogen-deeped titanium oxide is preferably a photocatalytic substance having a Ti—O—N structure having a titanium oxide crystalline lattice containing nitrogen and exhibiting a photocatalytic action in a visible light region, the bleaching agent contains preferably 0.01 to 5% by weight of the nitrogen-deeped titanium oxide powder, the nitrogen-deeped titanium oxide powder has a specific surface area of from 10 to 500 m2/g, the solution contains water and/or an alcohol as a solvent, and the bleaching agent further contains preferably 0.5 to 20% by weight of a thickener, 1 to 20% by weight of hydrogen peroxide, and 2 to, 45% by weight of urea peroxide.
    • 漂白牙齿的方法包括以下步骤:将含氮深二氧化钛粉末的溶液涂在牙齿表面上,并根据所产生的光催化作用照射所施用的部分以漂白牙齿,并且适合用于牙齿的漂白剂 用于实施该方法的方法包括含氮深氧化钛粉末的溶液,其中氮 - 深二氧化钛优选是具有Ti-ON结构的光催化物质,其具有含氮的氧化钛晶格并且在可见光中显示出光催化作用 亮区,漂白剂含氮优选为0.01〜5重量%,氮深二氧化钛粉末的比表面积为10〜500μm2 / g,溶液含有水和/或醇作为溶剂,漂白剂还优选含有0.5〜20重量%的增稠剂,1〜2 0重量%的过氧化氢和2〜45重量%的过氧化脲。