Abstract: A toothbrush having an elongated handle, the handle defining a center plane containing the longitudinal axis. A pair of bristle-bearing segments, each segment containing a plurality of bristles mounted therein, is connected to the handle by a pair of short arms. The arms, bristle-bearing segments, and the handle form a fork having two prongs, each prong containing one bristle-bearing segment and one connecting arm. The prongs are located on opposite sides of the first center plane and below a second center plane perpendicular to the first center plane. The bristle-bearing segments have mutually facing inside surfaces sloping toward each other in a gable-manner and intersect above the upper side of the handle at a first angle of less than 55.degree.. The free ends of the bristles bound a gap and define side surfaces sloping in a gable-manner toward each other intersecting above the gap and at a second angle which is less than the first angle.

Abstract: A toothbrush which comprises an elongated handle including a U-shaped head coaxial with a front end of the handle. The head is provided with two opposite bristles-carrying portions located to opposite sides of an axis of the head and each of the portions has a front edge which is inclined at an acute angle to the axis. The toothbrush further includes a plurality of bristle tufts which are spaced from each other inwardly from the bristle-carrying portions and are arranged in a first plurality of rows which is substantially parallel to the front edge and in a second plurality of rows parallel to the axis. The ends of the bristles in the second plurality of rows on the opposite bristles-carrying portions are arranged to define an acute gap therebetween.