CAJ | 학술논문

目的：探讨固定矫治器联合可摘式后牙?垫治疗前牙反?对颜面软组织侧貌的影响。方法：选取40例前牙反?患者，采用直丝弓矫治技术配合可摘式后牙?垫矫正，均未拔牙。采用X线头颅定位侧位片分析矫正后患者软组织侧貌的改变。结果：矫治后患者面型改善，反?得以矫正，牙齿排列、咬合关系改善；与矫治前相比，下唇突距减小，面突角减小，差异有统计学意义（P＜0．05）。结论：固定矫治器联合可摘式后牙牙合垫治疗前牙反?对软组织侧貌有明显的改善作用。
목적：탐토고정교치기연합가적식후아?점치료전아반?대안면연조직측모적영향。방법：선취40례전아반?환자，채용직사궁교치기술배합가적식후아?점교정，균미발아。채용X선두로정위측위편분석교정후환자연조직측모적개변。결과：교치후환자면형개선，반?득이교정，아치배렬、교합관계개선；여교치전상비，하진돌거감소，면돌각감소，차이유통계학의의（P＜0．05）。결론：고정교치기연합가적식후아아합점치료전아반?대연조직측모유명현적개선작용。
Objective:To study the facial soft tissue changes in patients with anterior crossbite after treatment of fixed appli-ance combined with bite splint treatment .Methods :Forty cases patients with anterior crossbite were selected and treated by straight wire appliance combined with bite splint .The facial soft tissue changes after treatment were analyzed by X-ray cephalo-metric measurements .Results:After treatment ,the facial soft tissue was significantly improved ,the cross bite was relieved , and the teeth arrangement and malocclusion were also improved significantly .Compared with those before treatment ,LL-SnPg’ and G-Sn-Pog’ were decreased significantly after treatment ,the difference was statistically significant (P<0 .05) .Con-clusions:Treatment of fixed appliance combined with bite splint can significantly improve facial soft tissue changes .