Toothbrush for periodontal care

Abstract

A toothbrush for periodontal care, comprises: a grip for holding; a head, set on the front of the grip, extending forward from the front of the grip for a predetermined length and having a predetermined width, wherein the bottom surface of the head has many bristles; it is characterized in that: the predetermined length of the head is slightly shorter than the total length of any two adjacent teeth, and the predetermined width almost equals the width of the lower first molar, thereby easy horizontal brushing and straight picking are achieved.

1 . A toothbrush for periodontal care, comprising:
 a grip, for holding;   a head, set on the front of the grip  1 , extending forward from the front of the grip for a predetermined length and having a predetermined width, wherein the bottom surface of the head has many bristles;   
       characterized in that:
 the predetermined length of the head is shorter than the total length of any two adjacent teeth, and the predetermined width almost equals the width of the lower first molar. 
 
     
     
         2 . The toothbrush for periodontal care of  claim 1 , wherein the front of the grip is Y-shaped, narrowing gradually from the front to the rear. 
     
     
         3 . The toothbrush for periodontal care of  claim 2 , wherein the predetermined length of the head is 0.6 to 0.8 cm. 
     
     
         4 . The toothbrush for periodontal care of  claim 3 , wherein the predetermined width of the head is 1.2 to 1.4 cm. 
     
     
         5 . The toothbrush for periodontal care of  claim 2 , wherein the predetermined width of the head is 1.2 to 1.4 cm. 
     
     
         6 . The toothbrush for periodontal care of  claim 1 , wherein the predetermined length of the head is 0.6 to 0.8 cm. 
     
     
         7 . The toothbrush for periodontal care of  claim 1 , wherein the predetermined width of the head is 1.2 to 1.4 cm.