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儿童髁突囊内骨折常见,若治疗不当会引起后遗症。本文报告1例儿童双侧髁突骨折外上脱位伴颏部骨折,外院颏部骨折固定术后咬合紊乱。重新手术,颏部骨折复位固定,恢复牙弓宽度,关闭舌侧裂隙。手法复位双侧外脱位的髁突,使其进入关节窝内。采用改良牙弓夹板进行颌间结扎牵引,改善咬合关系。术后随访显示,髁突位于关节窝内、双侧髁突和关节窝均愈合改建,咬合关系良好。该病例提示,儿童双侧髁突囊内骨折外上脱位伴颏部骨折治疗的关键在于恢复牙弓宽度,纠正外脱位的髁突。
Children with condylar fractures of the common, if not properly treated can cause sequelae. This article reports 1 case of bilateral lateral condyle fractures in children with chin fracture, external chin fracture fixation postoperative occlusion disorders. Reoperation, chin fracture reduction and fixation, restoration of dental arch width, closing lingual fissure. Manual reduction bilateral dislocation of the condyle, so that it enters the joint socket. The use of improved dental arch splint ligation traction to improve the occlusion. Postoperative follow-up showed that the condyles were located in the joint fossa, the bilateral condyles and the joint fossa healed and reconstructed with good occlusion. The cases suggest that the key to the treatment of external dislocation of the bicondylar bursa with chin fracture in children with bilateral condyles is to restore the dental arch width and correct the external dislocation of the condyle.