| 摘要 |
PROBLEM TO BE SOLVED: To obtain a tooth bleaching set that sticks a preparation to the surface of a tooth, keeps it for many hours without being influenced by saliva, thus draws out high whitening effect on a tooth and has excellent usability and stability with time. SOLUTION: The tooth bleaching set is equipped with a nonaqueous composition comprising a polyhydric alcohol, a methyl vinyl ether-maleic anhydride copolymer crosslinked with a crosslinking agent and substantially no water and an application tool that is detachably attached to a tooth in a state of holding the nonaqueous composition. COPYRIGHT: (C)2006,JPO&NCIPI
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