| 摘要 |
An improved toothbrush having a handle and two sets of bristles; one set of bristles being disposed on each end of the handle. One set of bristles is configured as a conventional toothbrush and may, thus, have any one of a number of combinations of bristles and shapes for performing routine dental hygiene. The other end of the brush is unique in both the configuration of the supporting portion of the handle, the crescent configuration of the bristles and the articulation (pivoting action) of the crescent-shaped toothbrush relative to the handle. This portion of the handle is further modified (curved) to support the crescent-shaped bristle as to place them in opposing relationship to the inside surface of the user's teeth. This is achieved without any strain or unorthodox positioning of the brush by the user. Since the crescent-shaped toothbrush is able to articulate (pivot) relative to the handle, it is equally effective in cleansing all inside surfaces of the teeth, not simply the front teeth.
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