口腔上颌窦瘘(简称口窦瘘)常为拔牙手术的并发症,但在上颌骨肿瘤切除,上颌骨的骨髓炎、损伤、深低溫冷冻及放射治疗后也可以发生.本文从病因、瘘口部位、瘘口大小、治疗方法等几方面对我科1979—1985年诊治的21例病人进行分析,特别强调了术前准备及术后处理的重要性,并对几种常用的手术方法进行了比较。 Oral maxillary fistula (referred to as oral fistula) is often the complication of extraction surgery, but in the maxillary tumor resection, maxillary osteomyelitis, injury, cryogenic freezing and radiotherapy can occur.This article from the etiology, fistula Site, fistula size, treatment methods and other aspects of our department 1979-1985 diagnosis and treatment of 21 patients were analyzed, with particular emphasis on the importance of preoperative preparation and postoperative management, and several commonly used surgical methods Compare