| 摘要 |
PROBLEM TO BE SOLVED: To provide a toothbrush foaming well when brushing teeth and giving a user a fresh feeling. SOLUTION: The bristles of this toothbrush are provided with through-holes 2 and the bristles are fixed to the head part of the toothbrush. The surfaces of the bristles may be provided with projection parts. Alternatively, the bristles may be so adjusted that the projection parts of a plurality of adjacent bristles are brought into contact with one another to form air flow passages, and fixed to the head part. COPYRIGHT: (C)2007,JPO&INPIT
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