(EN) A brush part for an electric toothbrush, comprising a bristle holder in which the ends of the bristles remote from the bristle holder lie in a substantially part-cylindrical surface, the length axis of the cylinder being oriented substantially perpendicular to the bristle direction, or are arranged in a pattern of an inner and an outer polygon of tufts of relatively long bristles radially between which there is an intermediate polygon of tufts of relatively less long bristles.