| 摘要 |
PROBLEM TO BE SOLVED: To provide a toothbrush preventing teeth from being left unbrushed by bringing a brush in contact with the inner parts and the back parts of teeth when brushing the teeth. SOLUTION: This toothbrush includes a resilient body being curvable and restorable in any direction of circumferential 360° of a handle, between the handle and the brush. The resilient body may be a coil spring or a linear spring and the brush, the handle and the resilient body may be formed separably or connectably. COPYRIGHT: (C)2010,JPO&INPIT
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