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Anti-Dirty Hand Toothbrus / Health

Anti-Dirty Hand Toothbrus
Anti-Dirty Hand Toothbrus

This is a toothbrush that prevents toothpaste foam and saliva from flowing into your hands, and avoids soiling your palms during brushing.

University

Changsha University of Science

Changsha University of Science
Changsha, China

Yibo Ma,
Changsha University of Science

Sirui Yang,
Changsha University of Science

Lei Chen,
Wuhan Polytechnic University

Kun Li,
Wuhan Polytechnic University