他的头部受重击之后下颌骨折了。

His jaw was broken after he was hit on the head.

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目的探索下颌骨骨折更为有效、合理的治疗方法。

Objective To explore a more effective and reasonable method to treat mandible fracture.

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下颌骨骨折需要多长时间才可以好？

Does mandible bone fracture need how long is ability OK good?

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下颌骨骨折需要多长时间才可以好？

Does mandible bone fracture need how long is ability OK good?

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