| 摘要 |
PROBLEM TO BE SOLVED: To provide a toothbrush with which a tooth brushing time is shortened and non-brushed parts of teeth are eliminated. SOLUTION: In the toothbrush, a brush (2) is provided all over vertical grooves of a tooth-shaped frame (1) with a handle (3) attached thereon. When using the brush, the user takes the brush in his mouth to suit the brush with the teeth and vertically, longitudinally and laterally moves the chin. COPYRIGHT: (C)2005,JPO&NCIPI
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