| 摘要 |
The present invention relates to a toothbrush, and more specifically, to a toothbrush comprising a plurality of brush units which are vertically arranged on one side of a head portion installed on an end portion of a handle unit and can ascend or descend elastically, wherein each brush unit arranged at the head portion is closely contacted to the surface of teeth with curved portions while the end portion thereof is orthogonal to the surface of teeth without bending, thereby stably cleaning the surface of teeth. |
