上下第二恒磨牙锁的矫正  

The correction of scissor bite of permanent second molars

作　　者：贝珉[1] 李煌[1] 马巧玲[1] 季彤[1] 韩磊[1] BEI Min;LI Huang;MA Qiaoling;JI Tong;HAN Lei(Department of Orthodontics,Nanjing Stomatological Hospital,Medical School of Nanjing University,210008,China)

机构地区：[1]南京大学医学院附属口腔医院·南京市口腔医院正畸科,210008

出　　处：《实用口腔医学杂志》2018年第5期706-709,共4页Journal of Practical Stomatology

摘　　要：上下第二恒磨牙锁是临床上常见的错牙合畸形,由于患牙处于废用状态,无自洁功能,所以易于罹患龋病、牙周病,造成多方面的损害。上磨牙腭向牵引器和环框式下磨牙翻正器联合应治疗7例患者,平均疗程7个月,效果良好。The scissor bite of permanent second molars is one kind of common malocclusion.It can lead to damages to stomatognathic system.7 cases of scissor bite were treated by united applicaton of maxillary molar retractor and ring uprightor for an averge period of 4 months,the malocclusion in all the cases was corrected.

关 键 词：第二恒磨牙 牵引器 锁牙合 

分 类 号：R783.5[医药卫生—口腔医学]