| 摘要 |
A toothbrush for cleansing the surfaces of the teeth and any orthodontic appliances positioned thereon. The toothbrush includes an elongate handle. A head is carried on one end of the handle and includes first and second intersecting head members carrying cleaning elements thereon. The first and second head members define at least three distinct and diverging head segments for providing an enlarged cleaning surface area sufficient to simultaneously engage the upper and lower teeth during brushing.
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