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This is a clean toothbrush, with a regular toothbrush after brushing, the excess toothpaste will stick in the
bottom of the brush, not easy to clean. Go out when taking to the cup is not easy. The toothbrush solves
these two problems, the water pour into the handle of the toothbrush, close the lid, press the button,
the water will automatically from the bottom of the brush hair spray, not only easy to clean, but also
easy to carry.
Shandong University of Science and Technology
Shandong Qingdao, China