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It is a toothbrush to brush your teeth with toothpaste on it. It’s convenient for the disabled without one hand and also convenient for the normal. The loophole under the toothbrush is designed to squeeze out toothpaste. And you just need use one hand to do it. The back curved surface design is for the room of the bulk of toothpaste.
COLLEGE OF SCIENCE & TECHNOLOGY NINGBO UNIVERSITY
Ning Bo, China