拔牙与非拔牙矫治后牙弓宽度及颊廊变化的对比研究

余国建陈付蓉李琥严斌邵胜林汤毅侯伟李媛

The comparative study of maxillary arch widths and buccal corridor changes between premolar extraction and nonextraction treatment

. 2015, (7): 553 -556 .