目的：探讨下颌骨牵张成骨中牵张器的最佳拆除时机。

Objective: to investigate the optimal time point to dismantle the distractor during mandibular distraction osteogenesis in goats.

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本文就下颌骨牵张成骨对下颌骨发育影响的研究进展作一综述。

And this article reviewed the effect of DO on the development of mandible.

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目的：通过头影测量方法研究狗下颌骨牵张成骨新骨形成及其稳定性。

Objective: To study the stability of new bone formed in distraction osteogenesis by cephalometric analysis.

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