| 摘要 |
PURPOSE: A toothbrush is provided to prevent the contamination of bristles by preventing the bristles from coming in contact with a washstand. CONSTITUTION: A toothbrush comprises a head part having bristles, a neck part extended from the head part, and protrusions which are formed on the middle part of the toothbrush. Grooves are formed on the protrusions (44). A lid (60) can be inserted into the grooves. |
