对如何处理颌骨骨折线上未萌出牙齿,目前尚不清楚。在成年人,越来越多的资料支持以下观点,如骨折线上牙齿的活力尚存,就应保留该牙。在儿童,下颌体及升支内的牙胚,使得骨折的手术治疗受到很大限制。作者1985年7月～1990年6月收治30例(45处)下颌骨骨折患儿,其中15处(33％)骨折累及16颗牙胚,骨折时患者年龄为6.0±2.3岁,33％的患儿接受切开复位内固定术,67％的患者采用颌间结扎或舌导 It is not clear how to deal with the edentulous teeth on the jaw fracture line. In adults, more and more data support the view that the teeth should be retained if the vitality of the teeth on the fracture line is still alive. In children, mandibular body and ascending tooth within the tooth, making the surgical treatment of fractures have been greatly restricted. Thirty (45) children with mandibular fractures were treated from July 1985 to June 1990, of which 15 (33%) fractures involved 16 tooth germs with a mean age of 6.0 ± 2.3 years at fracture and 33% Children underwent open reduction and internal fixation, 67% of patients underwent intermaxillary ligation or tongue guidance