CAJ | 학술논문

目的探讨正畸矫治成人骨性反伴下颌偏斜的临床疗效,以期为临床提供参考。方法选择成年骨性反伴下颌偏斜的安氏Ⅲ类错畸形患者18例,男性5例,女性13例。矫治初期上颌使用直丝弓矫治器；下颌配戴附拉钩的全牙列活动性垫,解除前牙反,排齐整平上前牙,并通过垫上的拉钩进行斜牵引,纠正下颌偏斜。矫治前后拍摄头颅侧位X线片,采用配对t检验分析各头影测量项目的矫治前后差异。结果总疗程(18．0±3．5)个月,18例患者前牙反及下颌偏斜均得到纠正,前牙建立正常覆覆盖关系。上颌前牙显著前移, U1-NA 角由矫治前的(26．25±3．89)°增加至矫治后的(38．25±1．77)°,U1-SN角由矫治前的(104．75±2．48)°增加至矫治后的(117．50±2．12)°,矫治前后差异均有统计学意义(P<0．01)。结论正畸治疗可成功矫治成人骨性反伴下颌偏斜的安氏Ⅲ类错畸形；矫治初期下颌配戴附拉钩的全牙列活动性垫,可明显改善患者正侧貌。
목적탐토정기교치성인골성반반하합편사적림상료효,이기위림상제공삼고。방법선택성년골성반반하합편사적안씨Ⅲ류착기형환자18례,남성5례,녀성13례。교치초기상합사용직사궁교치기；하합배대부랍구적전아렬활동성점,해제전아반,배제정평상전아,병통과점상적랍구진행사견인,규정하합편사。교치전후박섭두로측위X선편,채용배대t검험분석각두영측량항목적교치전후차이。결과총료정(18．0±3．5)개월,18례환자전아반급하합편사균득도규정,전아건립정상복복개관계。상합전아현저전이, U1-NA 각유교치전적(26．25±3．89)°증가지교치후적(38．25±1．77)°,U1-SN각유교치전적(104．75±2．48)°증가지교치후적(117．50±2．12)°,교치전후차이균유통계학의의(P<0．01)。결론정기치료가성공교치성인골성반반하합편사적안씨Ⅲ류착기형；교치초기하합배대부랍구적전아렬활동성점,가명현개선환자정측모。
Objective To investigate the effects of orthodontic treatment of skeletal crossbite adults with mandibular deviation. Methods Eighteen skeletal Class Ⅲ adult patients with borderline skeletal crossbite and mandibular deviation were selected (5 males,13 females). The mean age was 25 years. All cases were treated with straight-wire appliance in upper arch and occlusal plate in the lower arch. Elastics were applied to correct mandibular deviation. Cephalometric analysis was carried out before and after treatment. Paired t-test was performed. Results After treatment, the anterior crossbite was corrected and Class Ⅰ molar and canine relationships were achieved. The inclination of upper incisors was increased significantly. Conclusions Straight-wire appliance combined with occlusal plate was effective on correcting adult patients with mild, moderate skeletal crossbite and mandibular deviation.