| 摘要 |
A toothbrush having a head (11) supported from one end of the handle (12), said head (11) supporting a set of bristles (13) extending from one side of the head (11) in closely spaced relation whereby the outer ends of the bristles jointly provide a brushing face (15), said brushing face (15) being concave in profile along both the longitudinal axes of the brushing face and the transverse axes of the brushing face between the ends of the brushing face to provide a recessed surface. |
