Objective: To investigate the etiology and the prevention of postoperative depression hollowing following coronal incision. Methods: Sixty-two cases of orbitozygomatic complex fracture underwent open reduction. The coronal incision was used in all cases. During coronal flap elevation, the dissection proceeded immediately under the superfacial layer of the deep temporal fascia. The reduction of the fracture and the temporal depression were surveyed postoperatively. Results: The fractures were anatomically reduced and the better cosmetic results were achieved in all cases postoperatively. The temporal depression occurred in two cases within 3-6 months postoperatively. Conclusion: The temporal depression following coronal incision was predominantly caused by the atrophy of temporal fat pad. The dissection immediately under the superficial layer of the deep temporal fascia could prevent the postoperative temporal depression.%目的:初步探讨冠状切口术后颞部凹陷的原因及预防方法.方法:62例眶颧复合体骨折患者接受手术治疗,所有患者均采用冠状切口入路,紧贴颢深筋膜浅层深面翻瓣,术后观察骨折复位及颞部凹陷情况.结果:术后所有患者骨折均获得解剖复位,面中部畸形明显改善,2例患者术后3～6个月出现患侧颞部凹陷.结论:冠状切口术后颞部凹陷的主要原因在于颞浅脂肪垫的萎缩,采用紧贴颢深筋膜浅层深面翻瓣可以减少冠状切口术后颞部凹陷的发生.
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