Objective To evaluate the neurosensory functions of the inferior alveolar nerve(IAN)after two rigid internal fixations for the sagittal split of ramus osteotomy(SSRO)in monkeys.

• 目的研究下颌支矢状劈开术(SSRO)常用两种内固定方式对下齿槽神经(IAN)功能的影响。