上海市读者陈香宜来信问:老年人的牙齿越来越脆弱了。有什么好的方法来延缓牙齿的衰老吗?专家:有这样几个方法。1.温水刷牙。中年过后,由于牙面磨损和牙周萎缩,牙本质暴露,牙齿易出现敏感症,遇冷、热、酸、甜就感到牙齿酸软。这种反复的过冷、过热的刺激,会导致牙髓炎,损害牙齿的健康。民间有“温水牙,冷水面,热水脚”的说法。用温水漱口刷牙,避免过冷、过热的刺激,可以减少牙髓炎症的 Chen Hongyi, a reader from Shanghai, asked: “The teeth of the elderly are getting more and more fragile. Is there any good way to delay the aging of the teeth? Expert: There are several ways. Warm water brushing After middle age, due to tooth wear and periodontal atrophy, dentin exposure, prone to tooth sensitivity, in case of cold, heat, sour, sweet to feel teeth soft. This repeated overcooling, overheating, can cause pulpitis and damage the health of your teeth. Folk have ”warm teeth, cold water, hot water " argument. Mouthwash with warm water to avoid overcooling, overheating stimulation, can reduce pulp inflammation