“不要让孩子输在起跑线上。”这句话家长都不陌生。虽然很多时候,这句话并不妥当,但用在孩子的牙齿上面,却很是贴切,要想孩子有一口好牙齿,确实要从“起跑线”上做起,甚至还要更早,早到他还没有出世时!胎儿期,为好牙齿打下好基础牙齿发育,从胎儿期就开始了通常情况下,孩子出生后6个月左右才开始长牙。但牙齿的发育时间可远远早于出牙时间。在孕妈妈怀孕的第2个月左右,胎宝宝的乳牙胚就已经开始发育了。到了怀孕4个月时,胎宝宝的恒牙胚也开始发育了。可见,孩子的乳牙和恒 “Do not let children lose at the starting line. ” Parents are no stranger to this sentence. Although many times, this sentence is not appropriate, but used in children’s teeth above, it is very appropriate, in order to have a good child teeth, really start from the “start line”, or even earlier, As early as he has not yet born! Fetal, lay a good foundation for good teeth Dental development, from the fetus began Under normal circumstances, the child began about 6 months after birth teeth. However, the development of teeth can be far earlier teething time. In the first 2 months pregnant mother pregnant, fetal baby tooth germ has begun to develop. By the fourth month of pregnancy, the baby’s permanent tooth germs begin to develop. Visible, the baby’s teeth and constant