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

一种利用压电塑料刷毛在刷牙时发电、产生活性氧杀灭细菌的牙刷，在试验中清除菌斑和缓解牙龈炎症的效果约为普通牙刷的两倍。研究者认为仍需更大规模试验确认它能否真正预防蛀牙和牙齿脱落。