各项姿势位笑容特征指标审美接受范围的评价  

Evaluation of people＇s acceptable range for posed smile characteristic index

作　　者：毛艳敏[1] 王春玲[1] 呼明燕[1] 王海任[1] 任大鹏[1] 

机构地区：[1]山东大学口腔医院正畸科、山东省口腔生物医学重点实验室,济南250012

出　　处：《中华医学美学美容杂志》2013年第5期347-350,共4页Chinese Journal of Medical Aesthetics and Cosmetology

基　　金：国家自然科学基金资助项目（编号：812711407）

摘　　要：目的 探究人群对各项姿势位笑容特征指标的可接受范围,以补充、完善正畸诊断与治疗.方法 选取男女姿势位微笑时的面下1/3照片各1张,利用Photoshop对各特征指标（切牙暴露量、露龈量、笑弧、颊廊、上颌（牙合）平面倾斜度及上切牙下唇间距）以一定幅度分别进行变动,选择100名正畸医师与100名普通人对其进行审美评价.结果 人群对各项笑容特征指标的接受范围依次为：切牙暴露量,男女均为75％～100％；露龈量,男0～2 mm,女0～3 mm;笑弧,男女均为50％～100％；颊廊,男0％～1 5％,女0％～20％；上颌（牙合）平面倾斜度,男女均为0～6°；上切牙下唇间距,男女均为0 mm.正畸医师与普通人对微笑的审美评价差异有统计学意义（P＜0.05）.结论 各项姿势位笑容特征指标均有一定的可接受范围,选择哪种唇齿龈关系作为正畸治疗的目标,将决定矫治计划的制定.Objective To obtain the acceptable range for posed smile characteristic index,in order to supply diagnostic and therapeutic basis for orthodontic treatment.Methods The 200 subjects included in the study consisted of 100 experienced orthodontists and 100 laypersons.Both two frontal posed smile photographs of man and woman were changed by several smile characteristic indexes,including the amount of incisor exposure,amount of gingival display,smile arc,buccal corridor fill,horizontal inclination of maxillary occlusal plate and distance from lower lip to maxillary incisor.All the subjects were desired to evaluate each images according to their own aesthetic standard.Results Each acceptable range for the amount of incisor exposure,amount of gingival display,smile arc,buccal corridor fill,horizontal inclination of maxillary occlusal plate and distance from lower lip to maxillary incisor,was 75 %-100 % （male and female）,0-2 mm （male） and 0-3 mm （female） ; 50 %-100 %（male and female） ; 0 %-15 % （male） and 0 %-20 % （female） ; 0-6° （male and female） ; 0 mm （male and female）（P〈0.05）,respectively.And there was perception difference between the orthodontists and the laypersons on smile evaluation （P〈0.05）.Conclusions Posed smile analysis should be an im portant aspect of orthodontic diagnosis and treatment planning.Orthodontists should not disturb con sonant smiles but create them with proper bracket positioning.

关 键 词：笑容特征指标 可接受范围 正畸治疗 

分 类 号：R783.5[医药卫生—口腔医学]