AIM: To study the pathological changes of maxillary sinus in the patients after conventional maxillary radical treatment, Caldwell-Luc operation, and discuss its clinic significance.
目的：研究传统上颌窦根治术后上颌窦局部骨质增生与瘢痕形成的病理改变情况，并讨论其临床意义。
The control group 100 examples, only with normal drug means and conventional outpatient clinic treatment.
对照组患者100例，仅采用常规的药物手段以及常规门诊进行治疗。
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