微种植体矫治第二磨牙正锁牙合疗效的三维评价

›› 2015, Vol. 35 ›› Issue (9): 755-759.

微种植体矫治第二磨牙正锁牙合疗效的三维评价

秦燕军¹,严斌²,王震东³,于剑南⁴,赵宏⁵,谷妍⁴,赵春洋⁶

1. 江苏省常州市口腔医院
2. 南京医科大学附属口腔医院
3. 南京医科大学口腔医学研究所,南京医科大学附属口腔医院口腔正畸科,
4. 南京医科大学口腔疾病研究江苏省重点实验室，南京医科大学附属口腔医院正畸科，
5. 江苏省口腔医院正畸科
6. 江苏省口腔医院

收稿日期:2015-01-26 修回日期:2015-02-11 出版日期:2015-09-28 发布日期:2015-09-14
通讯作者: 赵春洋 E-mail:zhaochunyang_orth@163.com

Three dimensional evaluation of micro-implant anchorage (MIA) for the treatment of scissors bite on second molars

Received:2015-01-26 Revised:2015-02-11 Online:2015-09-28 Published:2015-09-14

摘要/Abstract

摘要： 目的探讨微种植体矫治第二恒磨牙正锁牙合的疗效。方法选择第二磨牙正锁牙合病例9例，男7例，女2例，年龄18～32岁，平均22.5岁。在锁牙合牙的颊侧及上颌腭侧植入微种植体，链状皮圈牵引竖直、压低倾斜的第二磨牙。对正锁牙合磨牙治疗前后的CBCT进行测量、分析。结果微种植体牵引矫治正锁牙合平均疗程4个月。三维测量结果：U7j-矢状面减小、L7j-矢状面增加，P<0.05,有显著差异，表明患侧正锁牙合上下磨牙的牙弓宽度恢复；U7-SN增加，L7-SN减小，P<0.05，有明显差异，说明正锁牙合磨牙的牙轴恢复正常。结论微种植体用于纠正磨牙正锁牙合，针对锁牙合发生的机制进行矫治，矫治锁牙合牙颊舌向异常的同时纠正了高度异常，疗程短、疗效好。

关键词: 正锁牙合, 第二磨牙, 微种植体, 疗效, 三维

Abstract: Objective To evaluate the efficiency of micro-implant anchorage (MIA) for the treatment of scissors bite on second molars.Methods Nine patients (7 males and 2 females with a mean age of 22.5 years old) of scissors bite on second molars were treated with MIA.CBCT were used to measure and analyze the Dicom data before and after treatment.Results With MIA,the scissors bite on second molars were corrected for a mean course of 4 months.U7j-the sagittal plane distance decreased significantly,and L7j-the sagittal plane distance increased significantly (P<0.05),suggesting the restoration of dental arch width of molars; U7-SN increased significantly,and L7-SN decreased significantly (P<0.05),suggesting that the molar′s axis was restored to normal level.Conclusions MIA could be used as an efficient method to correct scissors bite on second molars; both lock tooth buccal lingual and height abnormalities could be corrected.The course of treatment was short and the efficiency was good.

Key words: scissors bite . , second molar, mini-implants, three-dimensional

中图分类号:

R783.5

秦燕军严斌王震东于剑南赵宏谷妍赵春洋. 微种植体矫治第二磨牙正锁牙合疗效的三维评价[J]. 口腔医学, 2015, 35(9): 755-759.

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