| 摘要 |
A toothbrush in which the head comprises a substantially rigid base region adjoining the toothbrush neck and extending from the base end of the head to a resilient flexible link situated between the base end and the tip end, and a tip region extending from the tip end of the head to the link region, both the base region andtip region being bristle bearing, the tip region being flexibly and resiliently linked at the link region to the base region, and between the base end of the head and the neck there is a resilient flexible link.
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