颧骨和颧弓是面部比较突出的部分,常因遭受外力直接打击而发生骨折,骨折后常出现颧部塌陷,扁平,造成面部明显不对称畸形同时常常引起张口受限,使说话、饮食受到困难,也可以引起上唇麻木,视力下降或消失等神经症状。因此,骨折发生后,在全身情况允许下应立即复位同定。目前的复位方法,除少数用手法复位外,一般需手术切开复位。现用的切口有以下几种: 1、口内切口:简单易行,面部不留疤痕,但手术属于盲探,不能直接看到骨折区,而且口内进 Cheekbones and zygomatic bow is the more prominent part of the face, often subjected to external forces directly hit the fracture, the fracture often appear zygomatic collapse, flat, resulting facial obvious asymmetric deformities often lead to mouth restriction, so that speech, diet by Difficulty, can also cause numbness on the upper lip, vision loss or disappearance of neurological symptoms. Therefore, the fracture occurs, the general situation should be allowed to immediately reset the same set. The current reset method, with the exception of a few manual reset, the general required surgical incision and reduction. The incision used in the following categories: 1, incision: simple, face without leaving scars, but the operation is blind exploration, can not directly see the fracture area, and the mouth into the