Abstract: Disclosed is a toothbrush having soft and hard bristles together. The toothbrush having soft and hard bristles with 6–10 mm in tapered length and 0.01–0.08 mm in diameter of end portions comprises: longer bristles(1) located at both edges; and shorter bristles(2) located at the central portion, wherein the bristles are generally in a semicircular form at their top portions when seen from a side, and a difference in length between the longer bristles(1) and the shorter bristles(2) is about 2–4 mm. The toothbrush can increase brushing efficiency and effectively remove foreign matters between teeth and inside periodontal pockets.

Abstract: Disclosed is a toothbrush having soft and hard bristles together. The toothbrush having soft and hard bristles with 6-10 mm in tapered length and 0.01-0.08mm in diameter of end portions comprises: longer bristles(1) located at both edges; and shorter bristles(2) located at the central portion, wherein the bristles are generally in a semicircular form at their top portions when seen from a side, and a difference in length between the longer bristles(1) and the shorter bristles(2) is about 2-4mm. The toothbrush can increase brushing efficiency and effectively remove foreign matters between teeth and inside periodontal pockets.

Abstract: A tapered bristle for a toothbrush which is tapered starting at 10 mm or less, preferably 3-5 mm, from the end of the bristle, characterized in that the tapered end of the bristle ranges from 0.04 mm to 0.08 mm in diameter, is disclosed. A toothbrush tufted with said tapered bristles is also disclosed. In addition, methods for producing said tapered bristle or said toothbrush are disclosed.