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The bristle is the most important part for a toothrush, the handle is just with an assistant use,and even limit human's use manner. It is with a lot of waste for the handle material when replacing for new one,so the finger toothrush is coming into the world. Removing the unwanted handle part,and cover the toothrush onto the finger, then save partial of the material, and change human's single use manner.
Huangshan University
Huangshan City, Anhui Province, China
Huangshan University
Huangshan City, Anhui Province, China
Kuan Guo,Lei Xu,Kai Zhang,Yang Wu.