目的为了缩短颌骨牵张成骨技术的治疗时间，改善新骨形成的质量，从而提高牵张成骨技术的成功率。
Aim in order to reduce the mandibular distraction osteogenesis treatment time and improve the quality of new generated bone, enhancing its success rate.
结果：兔骨缺损修复实验显示，细胞-支架复合体即刻种植新骨形成较差，联合应用引导组织再生膜可提高新骨形成面积百分比。
Results: in experiment of rabbit cranial defect, immediate construction of tissue-engineered bone led to poor bone formation, but application of GTR membrane increased the bone formation.
结论：潜行截骨操作虽有一定难度，但形成的复合组织瓣带双蒂，供血充足，提高了手术的成功率。
Conclusion: However the operation of creeping osteotomy was difficult, it 's the guarantee of success that the double pedicles can supply enough blood to the compound tissues flap.
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