每天起床,我们使用的第一个洗漱工具是什么?是牙刷。你答对了!晚上睡觉后,由于口腔封闭、空气不流通,导致口腔内易滋生细菌,所以每天早上我们应该用“口腔卫士”——牙刷,做一次口腔大扫除。那么,你知道如何正确使用牙刷吗?刷牙方法有讲究不正确的刷牙方法不但起不到保健作用,反而会损伤牙齿和牙龈。有些人刷牙像拉锯,时间久了,会在牙齿上“锯”出深沟,医学术语叫楔状缺损。牙齿有楔状缺损的 What is the first wash tool we use to wake up every day? Toothbrush. You are right! After going to bed at night, due to the closed mouth, the air does not flow, resulting in easy to breed bacteria in the mouth, so every morning we should use “Oral Guard ” - toothbrush, do a mouth cleaning. So, you know how to use the toothbrush properly? Brush method has stress not correct brushing method not only fail to health effects, but will damage the teeth and gums. Some people brush their teeth like a see-saw, over time, will be on the teeth “saw ” out of the deep groove, the wedge-shaped medical terminology defect. Teeth wedge-shaped defect