For one hundred years, dentists have been advising people to brush tooth from the gums to the crown, thus your tooth can be cleaned and without hurting gums. But in fact, no one can really do this.

Electric toothbrush is specially designed for oral nursing; According to the principle of computer washing, adopts double roller brush head, 360 degrees on the internal rotation, no matter brush in horizontal or vertical, tooth can be cleaned, bringing you bright and white tooth.