摘要目的 探讨面中部陈旧性骨折导致咬合紊乱的处理方法及其疗效,为临床提供参考.方法 本研究纳入2013年3月至2016年9月于郑州大学第一附属医院口腔颌面外科就诊的面中部骨折患者299例,其中男性151例,女性148例,年龄为26~51岁,中位年龄32岁.术前采用螺旋CT三维重建和模型外科等技术确定手术方案,行Le FortⅠ型截骨术并应用微型金属钛板根据骨折的部位和形态行坚强内固定.结果299例患者术后创口均Ⅰ期愈合,无感染、出血等并发症.1~24个月随访时患者面型良好,咬合关系恢复,开口2指以上.结论 结合模型外科技术行Le FortⅠ型截骨术,对面中部陈旧性骨折行切开复位内固定可有效地恢复咬合关系.

abstractsObjective To investigate the treatment results of occlusal disorder caused by old mid-facial fracture. Methods A total of 299 patients aged 26-51 years were enrolled in this study. All cases experienced a delay of treatment over 4 weeks after injury.The old mid-facial fracture was scanned by spiral CT and model surgery conducted.Ostectomy and rigid internal fixation were performed.Results The wound was healed by first intention without infection and other complications. After 1-24 months of follow-up,299 patients achieved well-shaped mid-face and the occlusion was recovered with mouth opening of over 2 cm.Conclusions Model surgery combined with ostectomy and rigid internal fixation can achieve satisfied treatment results in patients with old mid-facial fractures.