| 摘要 |
<p>PURPOSE:To achieve effective cleaning between teeth and the gum by a bath brushing. CONSTITUTION:A driving mechanism is provided to cause a reciprocal linear motion in the axial direction of an output section and a tooth brushing body 6 is arranged at the output section located at one end of a cylindrical body housing the driving mechanism. The tips of bristles 61 planted on the tooth brushing body 6 are cut almost at 45 to the direction of planting so as to be made higher on the width-wise one end side than on the other end side.</p> |
