| 摘要 |
<p>The present invention provides a toothbrush which includes the head unit of a toothbrush rod which has an edge frame and an insertion hole inside the edge frame, a bristle insert which is inserted into the insertion hole of the head unit, and a fixing unit which is coupled to the head unit of a toothbrush rod and fixes the bristle insert. The bristle insert includes a plate-shaped base unit and a brush unit which is integrally formed on one side of the plate-shaped base unit.</p> |
