| 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 having a predetermined length to allow a user to hold the toothbrush, with an insert hole formed in an end of the handle. The toothbrush further includes a bristle support head, with a protrusion provided on the bristle support head, and a plurality of front bristles made of hard material set in the bristle support head. The toothbrush further includes a removable bristle support unit which is provided in the bristle support head, with a plurality of rear bristles made of soft material set in the removable bristle support unit.</p> |
