| 摘要 |
PROBLEM TO BE SOLVED: To provide a toothbrush allowing a user to effectively massage teeth, to accurately and effectively brush teeth or interdental regions with bristle bundles planted in a head part, to massage the gums with the bristle bundles as well, and to effectively massage and brush inside of the oral cavity. SOLUTION: A soft truncated-cone shaped stick-like compact 3 and a plurality of bristle bundles 4, ... are erected on the toothbrush head part 2, and the bristle bundles 4, ... whose height is lower than the soft compact 3 are erected in the front and rear of the soft compact 3 in the longitudinal direction of the head. The soft compact 3 is erected approximately at the center of the head part 2. Bristle bundles 4A, ... are disposed in the front and rear of the soft molded body 3 in the longitudinal direction of the head, and bristle bundles 4B, ... are disposed in the right and left of the soft compact 3 in the cross direction of the head. COPYRIGHT: (C)2008,JPO&INPIT
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