A toothbrush is described whose head (8) has a special arrangement of bristle tufts. The arrangement includes a fan-shaped grouping of tufts (26) along left and right edges (22, 24) of the head (8). Near the front and rear ends (10, 12) of the head (8) are a grouping of tufts (36, 44) whose free ends are trimmed to define respective planes slanting downwardly towards the interior area of the head (8). Within the interior area is a further grouping of tufts arranged in a saddle-shape.