基于侧貌的额部形态规律研究  

Research on profile-based forehead morphology

作　　者：丁思齐 郑秀云 邢田[2] 刘小郁 吴婷婷 Ding Siqi;Zheng Xiuyun;Xing Tian;Liu Xiaoyu;Wu Tingting(Dept of Orthodontic,The Affiliated Stomatological Hospital of Anhui Medical University,Hefei 230032;Dept of General Dentistry,The Affiliated Stomatological Hospital of Anhui Medical University,Hefei 230032)

机构地区：[1]安徽医科大学附属口腔医院正畸科,合肥230032 [2]安徽医科大学附属口腔医院综合科,合肥230032

出　　处：《安徽医科大学学报》2022年第10期1656-1660,共5页Acta Universitatis Medicinalis Anhui

基　　金：安徽省高等学校省级质量工程项目(编号:2019jyxm0123)。

摘　　要：目的探究安徽地区人群基于侧貌的前额突度、外形等一般规律,为临床正畸工作匹配侧貌前额和面下1/3指导。方法本横断面研究共纳入262例患者同一时期拍摄的X线头颅侧位片和90°标准侧貌照片,并以眶耳(FH)平面与地面平行校准头位。将全部患者按性别、年龄和矢状骨面型等进行分组。侧貌前额突度的测量定点包括发际点和软组织鼻根点,两点连线的平行线,与前额外形相切的一点即定义为侧貌前额最凸点,侧貌前额突度值用两平行线间的距离来表示。通过对侧貌照片上前额轮廓的描画,研究前额的形态规律。P<0.05为差异有统计学意义。结果女性的侧貌前额突度值大于男性,且两性间差值从儿童(P<0.001)、青少年(P<0.001)至成年逐渐减小。男女之间的前额形态不同。女性的额头较圆,中间部分隆起,整体外形近似一段圆弧;男性的前额线条较直,最凸点普遍位于眉弓附近。结论性别是前额突度和形态的一个重要影响因素。随着年龄的增长,男女前额突度差异逐渐减小,但是男性和女性额头的外形始终不同。Objective This study aims to explore the general rules of profile-based forehead protrusion value and appearance in Anhui province,and the results will provide guidance foRclinical orthodontic works on matching lateral forehead protrusion and the loweRthird of the face in the future.Methods A total of 262 patients were included in this cross-sectional study.The materials foRthe study were the lateral cephalometric radiographs and standard 90-degree profile photographs taken from the subjects at the same time.The Frankfurt horizontal(FH)plane was used to calibrate the head position parallel to the ground.The samples were grouped according to genders,ages and dentoskeletal classifications.The measurement points of forehead protrusion in profile included hairline point and soft tissue nasion point.The point where the parallel line connecting two points was tangent to the forehead contouRwas defined as the most convex point.The value of forehead protrusion in profile was expressed by the distance between two parallel lines.The forehead morphology was studied by tracing the forehead on lateral photographs.P values<0.05 were considered statistically significant.Results The lateral forehead protrusion of female was largeRthan that of male,and the difference between male and female decreased gradually from children(P<0.001),adolescents(P<0.001)to adults.The shape of the forehead differed between the two sexes.Female forehead is round,protruding part in the middle,the overall appearance like an arc;Male forehead was more straight,the most convex point was generally located neaRthe eyebrow arch.Conclusion GendeRis an important factoRinfluencing profile forehead protrusion and appearance.The difference between male and female forehead protrusion decreases with age.But the shape remains different.

关 键 词：侧貌 前额突度 前额外形 

分 类 号：R783.5[医药卫生—口腔医学]