| 摘要 |
PROBLEM TO BE SOLVED: To obtain a tooth bleaching agent which can be easily purchased and used as a cosmetic, or the like, anywhere other than medical treatment sites by using a component usable without the legal restrictions in cosmetics and quasi drugs to provide an implement for simply enabling tooth bleaching by the use of the tooth bleaching agent. SOLUTION: A tray containing the tooth bleaching agent 1 has a trench 3 which is provided in a U-shaped tray 2 along a raw of teeth of a human body and is filled with the tooth bleaching agent 1 composed of a gelled substance added with≤35 wt.% sodium chlorite. COPYRIGHT: (C)2005,JPO&NCIPI
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