Conclusions the occlusion in centric jaw relation should be analysed before treatment to reveal the disharmony between occlusion and jaw position.
结论正畸治疗前必须了解患者下颌处于正中关系时的咬合情况，发现与下颌位置之间的不协调。
Result It can accurately display the jaw and face fracture anatomise and the relation with other parts with the spiral CT three dimension reconstruction.
结果螺旋CT三维重建技术能够立体地，详尽和精确地显示颌面部的三维骨折解剖结构和相邻关系。
Results All the patients had normal jaw morphology, and occlusion relation were restored after operation, and the itanium plate without any rejection reaction, no loosening or displacement.
结果21例陈旧性颌骨骨折患者术后咬关系恢复，张闭口正常，颌骨形态良好，钛板无松动、移位和排异反应。
Results All the patients had normal jaw morphology, and occlusion relation were restored after operation, and the itanium plate without any rejection reaction, no loosening or displacement.
结果21例陈旧性颌骨骨折患者术后咬关系恢复，张闭口正常，颌骨形态良好，钛板无松动、移位和排异反应。
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