弹弓式磨牙远移器治疗上颌第一恒磨牙异位萌出  

Treatment of maxillary first permanent molar ectopic eruption with slingshot molar distalization appliance

作　　者：张国兴 胡遒生 

机构地区：[1]绍兴市咸亨医院正畸科,绍兴312000 [2]南京华诺口腔门诊部,南京210029

出　　处：《口腔医学》2008年第11期593-595,共3页Stomatology

摘　　要：目的评价使用弹弓式磨牙远移器治疗第一恒磨牙异位萌出的临床效果。方法选择替牙期不可逆性第一恒磨牙异位萌出患者8例,男3例,女5例,年龄6.8-9.5岁,平均8.6岁。所有病例均存在不同程度的第二乳磨牙远中根吸收。采用弹弓式磨牙远移器标准型或简化型矫治器治疗,推第一恒磨牙向远中移动,使第一恒磨牙与第二乳磨牙远中面脱离接触并最终萌出到正常位置。结果所有病例第一恒磨牙牙冠均向远中移动并竖直,与第二乳磨牙脱离接触。治疗时间1.5-4.0个月,平均2.2个月。结论弹弓式磨牙远移器是治疗第一恒磨牙异位萌出的有效方法。Objective To evaluate the effects of performing ectopic eruption treatment utilizing a slingshot molar distalization appliance. Methods The subjects consisted of 8 mixed dentition patients, 5 females and 3 males aged from 6.8 to 9.5 years whose maxillary first permanent molar impaction and root resoiption of the second primary molar caused by the erupting first permanent molar. The first permanent molar was moved distally with a slingshot molar distalization appliance in order to separate the first permanent molar from the second primary molar. Results It was found that all of the treated first permanent molars were moved and tipped distally within 1.5 months to 4 months. Conclusion It is suggested that a slingshot molar distalization appliance can be utilized as a simple and more effective way of correcting ectopic eruption of the first permanent molar.

关 键 词：第一恒磨牙 异位萌出 正畸矫治器 

分 类 号：R783.5[医药卫生—口腔医学]