PURPOSE: Brushes for a toothbrush are provided to make shape restoration possible regardless of time and to form a tapered side environment-friendlily. CONSTITUTION: Brushes for a toothbrush are constituted as follows. A shape memory material is shape memory resin. The brushes are able to be coated with silver. In the extended end of the brushes, a tapered side(102) is formed. The tapered side is cut through machining in order to be sloped toward the extended end of the brushes or one side of the outside adjacent to the extended end of the brushes.
