在颌骨牵张成骨中，缩短治疗时间和促进新骨形成以及设计理想的牵张器一直是研究的热点。
In distraction osteogenesis, researchers always focus on designing perfect distractor to accelerate bone regeneration and to shorten the course of treatment.
以上结果为临床颊向牵张治疗偏面小颌畸形提供了有效的实验依据。
The results of the study might provide effective basis on treating HFM in clinic.
目的∶采用种植体支抗直接牵张上颌骨骨缝成骨技术探索颅颌面骨发育不足治疗新方法，观察在牵引力的作用下支抗种植体的骨结合情况。
Objective:To evaluate the effect of segmental arch technique and implant reinforcing anchorage on depressing the(dongated opposed teeth for preparing enough space for mandibular dental implant.
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