| 摘要 |
<p>The object of this invention is to provide a toothbrush which has a structure such that deformed bristles may easily be replaced with new ones. The toothbrush includes a handle (1) having a predetermined length to allow a user to hold the toothbrush, with an insert hole (5) formed in an end of the handle (1) . The toothbrush further includes a bristle support head (3), with a protrusion (7) provided on the bristle support head (3), and a plurality of front bristles (9) made of hard material set in the bristle support head (3). The toothbrush further includes a removable bristle support unit (12) which is provided in the bristle support head (3), with a plurality of rear bristles (11) made of soft material set in the removable bristle support unit (12).</p> |
