Tooth Brush
A tooth brush of this invention is characterized by comprising a handle ( 10 ) linerly formed in the longitudinal direction so that it may be held by hand and a head ( 12 ) bent and extended at an angle of 20° to 70° to the left side against the extensional direction of the said handle ( 10 ) and further bent and extended at an angle of 10° to 40° to the rear side of the prominent tooth brush against the axis parallel with the handle ( 10 ). The capacity to remove plaque of the tooth brush of this invention improves noticeably compared that of conventional tooth brush. Furthermore, when one brushes one's teeth in every nook and corner, using the tooth brush of this invention decreases the fatigue of one's wrist and arm substantially, compared with the conventional tooth brush.
1 . A tooth brush, wherein it is characterized by comprising a handle ( 10 ) linerly formed in the longitudinal direction so that it may be held by hand and a head ( 12 ) bent and extended at an angle of 20° to 70° to the left side against the extensional direction of the said handle ( 10 ) and further bent and extended at an angle of 10° to 40° to the rear side of the prominent tooth brush against the axis parallel with the handle ( 10 ).
2 . A tooth brush according to claim 1 , wherein the said head ( 12 ) is bent and extended with an elliptical curve being formed against the direction in which the head is extended from the handle ( 10 ).