Toothbrush that emits electricity may more effectively prevent gum disease

A toothbrush with bristles that produce electricity as they bend has shown promise for reducing plaque and gum inflammation

一種利用壓電塑料刷毛在刷牙時發電、產生活性氧殺滅細菌的牙刷，在試驗中清除菌斑和緩解牙齦炎症的效果約為普通牙刷的兩倍。研究者認為仍需更大規模試驗確認它能否真正預防蛀牙和牙齒脫落。