在下颌骨发育不良的情况下，两组的正常侧和异常侧之间均无显着差异。

In the cases with hypogenetic mandible, there was no significant difference between the normal and abnormal side in both groups.

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最常见的体征和症状是声音嘶哑和可触及的下颌下肿块。

The most common signs and symptoms are hoarseness and a palpable submandibular mass.

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也被称为下颌，下颌的房屋下齿。舌和唇还骑在下颌骨。

Also known as the lower jaw, the mandible houses the lower teeth. The tongue and lower lip also ride on the mandible.

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