目的：用螺旋CT数据资料建立颅面三维模型，并探讨了该模型在颅颌面外科领域的应用。
Objective: To establish 3-dimensional model of skull using SCT datum and discussing its application in craniofacial surgery.
建立颅颌面虚拟手术可通过分析病人的个体手术计划及步骤，降低颅颌面外科手术风险并提高手术精度。
The cranio-maxillofacial surgical planning can decrease the risk of cranio-maxillofacial surgery and increase the operation precision by analyzing the surgical plan and steps for individual patient.
去除下颌骨外板矫治面下部的宽大或不对称以及做为自体植骨骨源的方法在颅颌面外科的应用越来越多，并得到国内外学者的广泛认同。
Osteotomy of mandibular outer cortex was used to treat width and dissymmetry of lower face or as source of autogenous bone graft simultaneously in craniomaxillofacial surgery.
去除下颌骨外板矫治面下部的宽大或不对称以及做为自体植骨骨源的方法在颅颌面外科的应用越来越多，并得到国内外学者的广泛认同。
Osteotomy of mandibular outer cortex was used to treat width and dissymmetry of lower face or as source of autogenous bone graft simultaneously in craniomaxillofacial surgery.
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