| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a toothbrush capable of favorably preventing bending and fracture of bristles.SOLUTION: The toothbrush includes: a brush part formed by placing a plurality of bristle bundles on a placement surface of a head part 2; and side-wall parts 30, 40, and 50 erected at both sides of the brush part in the width direction of the head part 2. Each of the side-wall parts 30, 40, and 50 includes a core part composed of a hard resin, and a side-wall covering part composed of a soft resin and, in the core part, portions other than a surface facing the brush part is covered by the covering part. The side-wall parts 30, 40, and 50 are formed lower than the brush part.</p> |
