| 摘要 |
PURPOSE: A bristle of a toothbrush having a shape memory function is provided to cause no damage to teeth and gums, to effectively remove foreign substances among teeth, to save finite resources and to reduce wasted toothbrushes. CONSTITUTION: A bristle of a toothbrush having a shape memory function includes multiple bristles(20) cleaning the gaps among teeth; a bristle groove(60) fixing the bristles; a tooth brush handle(100) gripped by a hand. The bristles fixed in the bristle groove are composed of a shape-memory material made mainly of polymer, or inserted with the shape-memory material having a shape memory or returning to an original shape corresponding to external stimulus. |
