Toothbrush

Abstract

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.

1 . A toothbrush, comprising: 
 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;    a bristle support head, with a protrusion provided on the bristle support head to engage with the insert hole, and a plurality of front bristles made of hard material and set in the bristle support head; and    a removable bristle support unit provided in the bristle support head at a predetermined position adjacent to the front bristles, with a plurality of rear bristles made of soft material and set in the removable bristle support unit.    
   
   
       2 . The toothbrush according to  claim 1 , wherein the handle is made of resin, and both the bristle support head and the removable bristle support unit are made of biodegradable resin.