Toothbrush head

Abstract

Provided is a toothbrush head which enables a single toothbrush to cope with any individual user's oral condition. The toothbrush head has bristle bundles, sponge pieces or the like implanted herein as a cleaning element on the bristling surface and contains unbristling areas formed on the bristling surface. Some or all of the bristle bundles are implanted asymmetrically with respect to the major central axis or the minor central axis of the head. The head can contain as separate parts bristling areas having bristle implanted therein and unbristling areas, which are removably attached to the head.

What is claimed is:  
     
         1 . A head of a toothbrush having bristle bundles implanted in it on a bristling surface thereof, the head comprising an unbristling area defined on the bristling surface.  
     
     
         2 . A head of a toothbrush having bristle bundles implanted in it on a bristling surface thereof, wherein some or all of the bristle bundles are implanted asymmetrically with respect to a major central axis of the head.  
     
     
         3 . A head of a toothbrush having bristle bundles implanted in it on a bristling surface thereof, wherein some or all of the bristle bundles are implanted asymmetrically with respect to a minor central axis of the head.  
     
     
         4 . A head of a toothbrush comprising as separate parts a bristling area having a bristle bundle implanted therein and an unbristling area, which are removably attached to the head.  
     
     
         5 . The head of a toothbrush according to any of claims  1 ,  2 ,  3  and  4 , wherein the head is bent at a distal end thereof.  
     
     
         6 . The head of a toothbrush according to any of claims  1 ,  2 ,  3  and  4 , wherein the head is attached to a neck of the toothbrush so that it pivots with respect to the neck.  
     
     
         7 . The head of a toothbrush according to any of claims  1 ,  2 ,  3 ,  4 ,  5  and  6 , wherein sponge-like cleaning element is implanted therein on the bristling surface in place of the bristle bundles.