DUAL TOOTHBRUSH

摘要

PURPOSE: A dual toothbrush is provided to improve the effect of tooth-brushing and to protect the interior of the mouth by installing a constant amount of smooth wool on the top surface of a head portion of the toothbrush. CONSTITUTION: In the toothbrush comprised of a head portion(10) made of hard material, and a handle portion(20), the head portion has a constant amount of auxiliary brush wool(12) extending upwardly on the outer surface(14) thereof as well as a constant amount of brush wool(11) extending downward on the inner surface(13) thereof. The auxiliary brush wool planted on the outer surface of the toothbrush is shorter and thinner than the brush wool planted on the inner surface of the toothbrush.