结论采用半切术技术保留下颌第一磨牙远中根的修复可获得满意效果。
Conclusion The hemisection can get satisfactory effect to repair the first mandibular molar with distal tooth reservated by selecting suitable tooth.
目的：探讨计算机辅助设计在定向二次牵引成骨术修复一侧下颌骨肿瘤术后缺损中的应用及效果。
Objective We investigated the feasibility of using computer assisted design in double-step distraction osteogenesis in the reconstruction of mandibular segmental defects after tumor resection.
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