前牙开畸形颅面形态的分类研究  

A classification of anterior open bite

作　　者：邹冰爽[1] 曾祥龙[1] 曾应魁[2] 

机构地区：[1]北京大学口腔医学院正畸科,100081 [2]台湾中山医学院牙医系矫正科

出　　处：《中华口腔医学杂志》2001年第1期61-63,共3页Chinese Journal of Stomatology

基　　金：卫生部科学研究基金!资助项目 (99113)

摘　　要：目的　对前牙开畸形进行分类研究 ,为临床诊断和治疗提供参考。方法　随机选取116例恒牙期前牙开患者 ,借助计算机X线头影测量技术对其颅面软硬组织及气道结构进行测量 ,综合运用多种现代多元统计方法 ,对开畸形的颅面形态进行分类。结果　对年龄、性别、颅面特征等 15 6项指标经聚类和主成分分析精简为 30个变量 ,再通过因子分析提取出 4个因子 (下颌旋转因子、面高因子、牙骨矢状因子和上颌旋转因子 )。采用逐步聚类法对 116例患者的 4个因子得分进行聚类分析 ,将前牙开畸形这一群体分为牙齿槽型开、下颌顺时针旋转型开、长面型开、上颌逆时针旋转型开和骨性Ⅲ类开 5类并归纳出可供临床使用的简单分类方法。结论　对前牙开畸形进行分类在诊断和矫治设计中起着重要作用。Objective It intended to investigate different craniofacial types of anterior open bite Methods 116 patients with anterior open bite were selected randomly The craniofacial morphology and airway structures were measured and analyzed with multivariate analyses Results 4 factors (mandible rotation factor, facial height factor, dental and skeletal saggital factor and maxillar rotation factor) were extracted from 156 items including age, gender and craniofacial characteristics by data reduction and factor analysis procedure Anterior openbite patients were classified into 5 types, which are dental alveolar type, mandibular clockwise rotation type, long face type, maxillary counter clockwise rotation type and skeletal Class Ⅲ type with K means cluster analysis procedure A simple cluster method was summarized to facilitate clinical practice Conclusion It suggested that classification play an important role in diagnosis and decision making procedure

关 键 词：错HE 前牙开HE 分类 正畸治疗 

分 类 号：R783.5[医药卫生—口腔医学]