发明授权
US5400811A Power driven tooth flosser 失效
电动齿轮

Power driven tooth flosser
摘要:
A power driven tooth flosser utilizes lengths of conventional dental floss, provides a length of that floss held in place to facilitate its insertion between teeth of the user, and then causes that length of floss to be driven in axial reciprocation, thereby to provide optimum and safe removal of plaque and debris from between the teeth.
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