| 摘要 |
A toothbrush is provided, which achieves low cost, removes malfunction concern, and can cleanly brush the backside surface of molar or wisdom tooth. A toothbrush comprises: a handle part; a main toothbrush part(3) which is equipped in the leading end of the handle part and in which the brush of toothbrush is transplanted to the surface; and a secondary toothbrush part(100) in which the brush of toothbrush is transplanted to the surface in order to brush molar or wisdom tooth backside surface in the leading end of the main part toothbrush part. On one side of the secondary toothbrush part, a guide bar is formed. In the side of the guide bar, the fixed protrusion is formed. |
