TOOTHBRUSH HAVING BRISTLE ON BOTH SURFACES OF BRUSH BASE

PROBLEM TO BE SOLVED: To simultaneously clean the upper and lower teeth by burying the bristles on both surfaces of a brush base. SOLUTION: Bristles 1 of brushes are buried in both surfaces of a brush base 2 to simultaneously clean upper and lower teeth. The upper and lower teeth can be simultaneously cleaned by a conventional brushing method with a conventional toothbrush. As the bristle part of the brush is widened, a cleaning part of teeth can be taken wide in comparison with the conventional toothbrush, and the teeth can be widely and finely cleaned. By varying a height of bristles 1 arranged on the brush base 2, and providing a predetermined angle (a) in the direction of the height of bristles, the bristles of the brush can be surely contacted with the inclination of a front tooth and a back tooth, and the upper and lower teeth can be simultaneously and finely cleaned. That is, by combining the arrangement, a height, a thickness, the hardness and the shape of brushes, the brushes can be fitted to the quality, a row of teeth, the shape and the condition of teeth, and the teeth can be surely cleaned.