颌面部外伤经常累及上颌窦导致上颌窦骨折,而造成面部凹陷畸形,临床治疗方法多种多样~([1-4]),各有其利弊,文献报道上颌窦积血和骨折可造成引流障碍导致远期鼻窦炎形成~([5]),我科采用钛板钛钉内固定术治疗上颌窦骨折,整体效果满意,但部分患者存在术后感染问题,一旦发生感染,不仅增加患者痛苦和医疗费用,严重者可导致手术失败,为减少术后感染发生,我科于2010-01-2016-01期间对住院治疗的11例上颌窦骨折内固定术后感染患 Maxillofacial trauma often affects the maxillary sinus causing maxillary sinus fractures, resulting in facial deformity, a variety of clinical treatment methods (1-4), each have their own advantages and disadvantages, reported in the literature of maxillary sinus hemorrhage and fractures can cause drainage Obstacles lead to the formation of long-term sinusitis ~ ([5]), our department using titanium plate titanium nail fixation for the treatment of maxillary sinus fractures, the overall effect is satisfactory, but there are postoperative infection in some patients, in case of infection, not only increase patient suffering And medical costs, serious cases can lead to surgical failure, in order to reduce the incidence of postoperative infection, our department in 2010-01-2016-01 for hospitalized 11 cases of maxillary sinus fracture fixation after infection