骨性Ⅲ类错[牙合]畸形面部偏斜不对称患者的颌面特征研究  

Study on Facial Asymmetrical Features of Skeletal ClassⅢMalocclusion

作　　者：马新芳 孙昊 帕提姑丽·吾斯曼 王杰睿[1] 米丛波[1] MA Xin-fang;SUN Hao;Patiguli·WUSIMAN;WANG Jie-rui;MI Cong-bo(Department of Orthodontics,the First Affilicated Hospital of Xinjiang Medical University,Urumqi 830054,Xinjiang,China)

机构地区：[1]新疆医科大学第一附属医院(附属口腔医院)口腔正畸科,新疆乌鲁木齐830054

出　　处：《中国美容医学》2020年第9期53-57,共5页Chinese Journal of Aesthetic Medicine

基　　金：国家自然科学基金(名称:新疆地区汉族、维吾尔族骨性Ⅲ类错牙合畸形致病基因多态性的对比研究,编号:81960196)。

摘　　要：目的:通过测量骨性Ⅲ类错[牙合]畸形面部偏斜不对称患者的牙、骨骼标志点与参考平面之间的线距,研究其与面部偏斜程度之间的相关性,分析面部偏斜患者的特征。方法:收集符合纳入标准的新疆地区成人骨性Ⅲ类错[牙合]畸形人群治疗前CT影像51例(男20例,女31例),使用Mimics Research 19.0软件进行CT三维重建,最后在Geomagic Wrap (64 bit)软件辅助下,测量标志点与三个参考平面之间的线距,采用 SPSS21.0 软件包对数据进行统计分析。结果:偏斜组偏斜侧Rmn、Rma、Jr、MdF、MtF、U6MB至矢状面(S)的距离大于偏斜对侧,MdF、MtF至冠状面(C)的距离小于偏斜对侧(P<0.05)。非偏斜组除MtF至矢状面(S)的距离有左右侧差异(P<0.05),其余测量指标无统计学差异(P>0.05)。偏斜组中Me-S与偏斜侧MtF-S呈极强正相关(r=0.805,P=0.000),与偏斜对侧MtF-S呈强负相关(r=-0.796,P=0.000)。结论:偏斜组除矢状向不调外,还伴有水平向旋转及牙性代偿,可依据MtF-S判断偏斜程度。非偏斜组患者仅有上下颌骨的矢状向不调,左右侧对称性较好。Objective By measuring the line distance between the teeth,bone landmarks and reference plane of patients with skeletal ClassⅢmalocclusion facial asymmetry,and studying the correlation between these and the degree of facial asymmetry,the characteristics of patients with facial asymmetry are analyzed.Methods We collected 51 CT images(20 males and 31 females)of adults with skeletal ClassⅢmalocclusion in Xinjiang that meet the inclusion criteria,and then used Mimics Research 19.0 software for CT 3D reconstruction,and finally the line distance between the landmarks and the three reference planes were measured in Geomagic Wrap(64 bit).The data were analyzed by SPSS 21.0 statistical software.Results The Rmn,Rma,Jr,MdF,MtF,U6MB to the sagittal plane(S)is greater than the opposite side in deviated side of the subjects in facial asymmetry group,the distance from MdF,MtF to the coronal plane(C)is less than the opposite side of the deviation(P<0.05).Except for the distance between MtF and sagittal plane(S),there was a difference between the left and right sides(P<0.05)in facial symmetry group,and there was no statistically significant difference in the other measurement indicators(P>0.05).In the facial asymmetry group,Me-S was strongly positively correlated with the MtF-S in deviated side(r=0.805,P=0.000),and strongly negatively correlated with MtF-S(r=-0.796,P=0.000)in the opposite side.Conclusion In addition to the sagittal discrepancy,the facial asymmetry group is also accompanied by horizontal rotation and dental compensation.The degree of asymmetry can be judged according to MtF-S.In the facial symmetry group,the upper and lower jaws were unbalanced in sagittal direction and the bilateral symmetry was better.

关 键 词：骨性Ⅲ类错[牙合]畸形 反[牙合] 面部不对称 电子计算机断层扫描(CT) Minics 

分 类 号：R783.9[医药卫生—口腔医学]