Only one, who looked a few years older than the rest, showed two new adult teeth at the top of his mouth.
惟有一个较其余年长几岁的，门牙处长着两颗恒牙。Baby teeth won't fall out until your child's permanent teeth are ready to come in, beginning around age 6.
大概到6岁左右，宝宝的恒牙开始长出来，这时乳牙才会脱落。This case report illustrates the usefulness of autotransplantation as a viable treatment option in children with missing permanent teeth.
本病例报告说明了有用的自体移植是一种可行的治疗选择与失踪儿童恒牙。This shifting may not leave room for the permanent teeth, and cause the teeth to come in crooked, requiring future orthodontic care.
这种移行可能占据恒牙的空间，导致牙齿畸形，需要今后的正常护理。Deeply and widely decayed first permanent molars in a growing child present a major dilemma to the pediatric dentist.
治疗青少年恒牙第一大臼齿深或广的龋齿病灶，常使儿童牙科医师陷入两难。Both treatments allowed rapid healing of the lesion and eruption of the permanent teeth without the need for orthodontic treatment.
这两种治疗方法可以迅速愈合的病变和爆发恒牙而不需要矫正治疗。Most dentists recommend the permanent molars and premolars to be sealed because these are the teeth that have the deepest grooves.
大多数牙医建议封闭恒牙的磨牙和双尖牙，因为磨牙的窝沟比较深，乳牙通常不用做窝沟封闭。You wished for your child to have all permanent teeth.
你希望孩子拥有所有的恒牙。However, the primary teeth that are absent of permanent successor will produce root re-sorption and eventually exfoliate.
恒牙胚缺失的乳牙也会发生根吸收，导致乳牙脱落。