| 摘要 |
PROBLEM TO BE SOLVED: To provide an interdental brush hardly damaging an inserting part when being inserted between teeth, high in cleanability and excellent in hygene. SOLUTION: In the interdental brush, resin being bristles at a brush part contains fluororesin. In particular, it is desirable that the fluororesin is polytetrafluoroethylene and that the resin being bristles at the brush part is at least one kind of resin selected from polyamide resin, polybutylene terephthalate resin and polytrimethylene terephthalate resin. COPYRIGHT: (C)2006,JPO&NCIPI
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