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Many children dislike brushing tooth, what always are forced by parents. Considering the psychological characteristics of children, this design changes the shape of toothpaste with cartoon to attract children's interest, which gradually helps build up the children's brushing habit. "Teeth Fun" can be operated simply and independently by children, which can also control the volume of the toothpaste to keep the children's tooth healthy .
Wang Gang Xiao Bin Cheng Yanyan