人一生中都要经历换牙阶段,奶奶说:七岁八岁换狗牙。我今年九岁了,牙齿已经换了四颗,还有两颗在摇摇欲坠,妈妈怕我将来长的新牙姿势不好看,于是带我去看牙医,要将我的小“狗牙”清除掉。牙医看了我那长得奇形怪状的牙齿先是紧皱眉头,难道是不好拔?我的心里开始敲小鼓了。然后牙医叔叔面带微笑的对我说:“小朋友你这牙齿必须拔呦,要不然影响新牙生长。” People have to experience a tooth replacement stage, my grandmother said: seven years old for dogs. I am nine years old, my teeth have been changed for four, and two are in shambles. My mother was afraid that I would have a long, long new tooth posture. She took me to the dentist and asked my little “dog tooth” Clear out. Dentist looked at my bizarre teeth first frowned, is it not good pull? My heart started tapping the drum. Then the dentist uncle said to me with a smile: “Children you must pull this tooth Yo, or else affect the growth of new teeth. ”