| 摘要 |
A toothbrush (10) has a handle (12) and a head (16) which is formed on the handle (12). A plurality of semi-permeable hollow fibers (82) are grouped on the head (16) in outwardly-projecting tufts (86). A diffusible medium (24) that contains appropriate dental agents is held within the lumens (96) of the repective fibers (82). Further, a reservoir (34) may be formed in the handle (32) of the toothbrush (10) to hold the medium (24) and to pass the medium (24) from the reservoir (34) to the lumens (54) of the respective fibers (68). When the hollow fibers (82) are wetted during the brushing process, the agents diffuse through the wall of the semi-permeable hollow fibers (82) onto the teeth and gums. Additionally, standard toothbrush monofilament bristles (74) may also be grouped on the head (76) of the toothbrush (10) in tufts (72) which are interspersed among the tufts (86) of hollow fibers (82). The tufts (86) of hollow fibers (82) and tufts (72) of bristles (74) can be arranged in various patterns on the head (70) of the toothbrush (10) to efficaciously cleanse the teeth and gums and to directly apply the dental agents to the teeth and gums. |
