【摘要】 目的探讨J钩配合直丝弓技术治疗安氏Ⅱ1错的临床效果。方法选取18例安氏Ⅱ1错患者,用直丝弓技术配合J钩口外牵引,关闭拔牙间隙,调整咬合关系,并对患者治疗前后X线头颅侧位片进行测量分析。采用SPSS软件配对t检验进行统计分析。结果 18例患者均取得满意疗效,后牙建立中性关系,前牙覆,覆盖正常,面型明显改善。结论 J钩配合直丝弓技术矫治安氏Ⅱ1错是一种行之有效的方法。更多还原

【Abstract】 Objective To investigate the treatment of Angle classⅡdivisionⅠmalocclusion with straight wire appliance with J hook.Methods Eighteen Angle classⅡdivisionⅠmalocclusion patients were treated with straight wire appliance using high pull headgear J hook towing to close the gap left by extraction,and adjust occlusion.X-ray cephalometric photoes were taken before and after treatment.Statistical analysis were carried out with the the Kruskal-Wallis test and paired t tests,and the differences were considered significant when P<0.05.Results All the eighteen patients were finished with classⅠmolar teeth relationship,normal overbite,normal over-jet and amendatory profile.Conclusions Straight wire appliance with high pull headgear J hook is an effective way to control the anchorage,retract the anterior teeth and improve the profile in the treatment of classⅡ1 malocclusion.更多还原