To provide a toothbrush which can effectively perform the removal of a coloring and plaque of teeth at the time of tooth-brushing, and at the same time, is equipped with a new bristle-shape to provide a soft bristle end feeling.
For this toothbrush wherein bristle bundles comprising a plurality of bristles 1, 1... are respectively flocked in a plurality of flocking holes 21, 21... which are formed on a flocking part 2, the flocking holes 21, 21... are formed into a rectangular shape, and one-side edges of them are respectively arranged in a manner to become vertical based on the axial line L of the toothbrush, and the bristle 1 has a rectangular cross section having longer edges and shorter edges, and also, the tip end part is formed into a truncated pyramid shape.
KUBO MITSUYUKI
MAEDA AKITSUGU
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