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Aim at the inside edge of the bottom of the tooth cup is difficult to clean, and easy to produce bacterial, we designed a toothbrush that can clean the bottom dirt.Combining the toothbrush and the cup brush, in the bottom of the toothbrush, we added the sponge material brush, after clean up the bottom dirt, it can be removed, and easy to clean, easy to assemble.
Xiamen Univercity of Technology
Xiamen, China
Shihui Zhang,
Xiamen Univercity of Technology
Shan Chen,
Xiamen Univercity of Technology
Sai Ma,
Xiamen Univercity of Technology