| 摘要 |
PROBLEM TO BE SOLVED: To provide a triangular toothpick and a manufacturing method thereof, not using wood, and good in view of sanitation and nature-friendliness by applying various techniques to resin material. SOLUTION: This triangular toothpick is made of resin, a cleaning part thereof is provided with ground glass-like fine projecting and recessed parts, and a brush part is manufactured at the rearmost part by integral molding. Thus, the cleaning efficiency for interdentium is heightened and also the dental plaque on the tooth surface can be removed in addition to the action of the toothpick by manufacturing the brush part to clean an oral cavity of a complicated shape by integral molding. Further, similarly to the toothbrush, the toothpick can be washed to be reused. COPYRIGHT: (C)2007,JPO&INPIT
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