| 摘要 |
According to an embodiment of the present invention, disclosed is a toothbrush. The toothbrush comprises a toothbrush grip comprising a grip part and a head part; and a bristle main body having bristles. The bristles main body is joined with a protrusion or a groove, formed on the toothbrush grip, and is arranged to be able to rotate around the protrusion and the groove as an axis of rotation. |
