| 摘要 |
A toothbrush and toothpaste supply container, which are connected together threadably and in which there is a piston which is captivated for axial movement only, and is operable by an operator knob on the proximal end of the toothbrush handle and which is turned to advance the piston to cause toothpaste to travel through a passageway and be deposited in the brush array of the toothpaste.
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