论文部分内容阅读
每年都有数以千计的儿童在事故中撞掉了新长出的恒牙。人的一生有两副牙——乳牙和恒牙。乳牙在出生6个月时间长出,6岁左右开始脱落,恒牙相继长出。恒牙脱落就不会再长牙了。年纪小失去恒牙,令人惋惜。要使撞掉的恒牙复活,请您这样做: 1、确定受伤牙的位置,如果在口腔中,就轻轻地把它放
Every year, thousands of children knocked out new permanent teeth in accidents. Human life has two teeth - teeth and permanent teeth. Deciduous teeth 6 months old at birth, 6 years old began to fall off, permanent teeth have been growing. Permanent tooth loss will no longer teething. Small loss of permanent teeth, regrettable. To revive the knocked permanent teeth, please do this: 1, to determine the location of the injured tooth, if in the mouth, gently put it