| 摘要 |
PURPOSE: A convenient toothbrush is provided to enable a user to conveniently use the toothbrush by giving an angle to a general toothbrush. CONSTITUTION: A convenient toothbrush is constituted as follows. The toothbrush is used while moving up and down. The toothbrush is formed in a replacement type and can be used while the angle thereof is changed. The toothbrush enables a user to brush every corner of teeth. |
