刷牙是每天的例行小事,谁不会呢?但调查发现很多人的刷牙方法并不正确。1用温水刷牙许多人使用自来水刷牙,哪怕是冬季也用冷的自来水刷牙。其实这样对牙齿有害。冷水可造成牙本质敏感的人牙齿酸痛,而且,牙膏内的有效物质摩擦剂和氟化物在冷水中不能很好地发挥作用。实验室研 Brushing teeth is a daily routine, who would not? However, the survey found that many people’s brushing method is not correct. 1 brushing with warm water Many people use tap water to brush their teeth, even in winter, also use cold tap water to brush their teeth. In fact, this is harmful to the teeth. Cold water can cause tooth ache in people with sensitive dentin, and the effective substances in toothpaste abrasives and fluorides do not function well in cold water. Laboratory research