Osteal stenosis at frontal sinus orifice in 21 cases(9.4%).

额窦自然开口狭窄者21侧（9·4%）。

Objective:To get a retrospective conclusion of reconstructive operation for osteal orbital structure after trauma.

目的：对眼眶及眶周骨性结构外伤畸形整复术的美学效果作出评价。

Objective To discuss the appraisement method and offer a quantify survey index of the lower lumbar nerve root canal osteal cubage.

目的探讨下腰椎神经根管骨性容积的评价方法，为神经根管提供一种定量测量指标。

Osteotransplantation and reconstruction of peri-orbital osteal malformation are effective for decreasing the complications of zygomaticomaxillary complex fractures.

植骨和重建骨性眼眶能有效地减少颧上颌复合体骨折的并发症。