微种植支抗正畸矫正下颌磨牙重度阻生1例  

Micro implant anchorage clinical success in orthodontic treatment of deeply impacted mandibular molar

作　　者：杨洪[1] 谢德林[2] 

机构地区：[1]马鞍山市中心医院口腔科 [2]马鞍山市人民医院口腔科,马鞍山243000

出　　处：《国际口腔医学杂志》2011年第3期286-287,291,共3页International Journal of Stomatology

摘　　要：下颌第一、第二恒磨牙同时阻生罕见。矫治时需根据第一、第二磨牙的位置及倾斜程度、咬合关系,第三磨牙的形态位置决定治疗方案。本文报告1例下颌第一、第二磨牙阻生病例安格尔Ⅰ类,手术拔除第二磨牙,运用微种植支抗、固定矫治器和口腔外科手术等方法使第一磨牙萌出,第三磨牙向近中移动代替第二磨牙行使功能,取得了较为满意的治疗效果。Impaction of both first permanent molar and second permanent molar in lower mandible is rarely. Treatments depend on the degree of molar inclination,the position of first molar and second molar,the classification of bite（Angle＇s Ⅰ classification）,the position and the appearance of third molar.A case of successful uprighting a severely impacted right mandibular first molar using a micro implant anchorage,fixed appliance and oral surgical procedures is presented.Methods include surgical extraction of an impacted second molar and acceptable mesial movement of third molar which would move to the position of second molar.

关 键 词：阻生牙 微种植支抗 正畸 

分 类 号：R783.5[医药卫生—口腔医学]