临床口腔医学杂志2018，Vol.34Issue(5)：281-284,4.DOI:10.3969/j.issn.1003-1634.2018.05.008
种植体支抗压低下前牙的矫治效果和牙根吸收的CBCT研究
Study on the effect of orthodontic treatment and root resorption of lower anterior teeth intrusion with implant anchorage by CBCT
李汶汶 1郑琳琳 2别苗苗 2李寒 2宋卫军 1耿海霞2
作者信息
- 1. 潍坊医学院口腔医学院 山东 潍坊 261053
- 2. 济宁医学院附属医院口腔正畸科 山东 济宁 272000
- 折叠
摘要
Abstract
Objective:To investigate the effect of orthodontic treatment and root resorption of lower anterior teeth in-trusion with implant anchorage by cone-beam CT(CBCT).Methods:Ten patients with deep overbite due to mandibular ante-rior alveolar excess were chosen,implant anchorages were used to intrude lower anterior teeth for three to six months.CBCT were taken before and after intrusion,and the improvement of deep overbite and the root resorption of lower anterior teeth were evaluated by ROmexis image analysis software.Results:The Lcr-MP distance(the vertical distance between the center of resistance and the mandibular plane)were decreased.The central incisors were decreased 3.26 mm,the lateral incisors were 2.72 mm and the canines were 1.26 mm on average,the difference had statistical significance(P<0.05).The L/MP angle(the posterior angle between the tooth axis and the mandibular plane)were increased,but the difference had no statisti-cal significance(P>0.05).The tooth length were decreased,the central incisors were decreased 2.75 mm and the lateral in-cisors were 1.79 mm on average,the difference had statistical significance(P<0.05).The canines were 0.77 mm on average and the difference had no statistical significance(P>0.05).Conclusion:The clinical effect of lower anterior teeth intrusion in treatment of deep overbite with implant anchorage was significant.Lower anterior teeth had not excessive inclination but root resorption were occurred after intrusion.关键词
种植体支抗/牙根吸收/锥形束CT/深覆(牙合)Key words
Implant anchorage/Root resorption/Cone-beam computed tomography(CBCT)/Deep overbite分类
医药卫生引用本文复制引用
李汶汶,郑琳琳,别苗苗,李寒,宋卫军,耿海霞..种植体支抗压低下前牙的矫治效果和牙根吸收的CBCT研究[J].临床口腔医学杂志,2018,34(5):281-284,4.
