Compared with dental appliance(DA), PSG(polysomnography) changes of DA group were larger than UPPP group, but patients of UPPP group had better quality of life and compliance.

• UPPP与口腔矫形器(DA)比较,DA组多导睡眠呼吸监测(PSG)参数的改变优于UPPP组,但UPPP组术后生存质量评价及治疗依从性优于DA组;