汉族最具吸引力微笑人群的上颌前牙尺寸与面部尺寸的相关性分析

doi:10.7518/hxkq.2025.2024412

华西口腔医学杂志 ›› 2025, Vol. 43 ›› Issue (4): 584-591.doi: 10.7518/hxkq.2025.2024412

汉族最具吸引力微笑人群的上颌前牙尺寸与面部尺寸的相关性分析

莫民旋¹(), 皮怀瑾¹, 林宥凯¹, 龙逸飞¹, 符向清¹, 段沛沛²()

^1.口腔疾病防治全国重点实验室国家口腔医学中心国家口腔疾病临床医学研究中心四川大学华西口腔医院，成都 610041
^2.口腔疾病防治全国重点实验室国家口腔医学中心国家口腔疾病临床医学研究中心四川大学华西口腔医院正畸科，成都 610041

收稿日期:2024-11-11 修回日期:2025-01-08 出版日期:2025-08-01 发布日期:2025-08-29
通讯作者: 段沛沛 E-mail:moamo1026@gmail.com;duanp@scu.edu.cn
作者简介:莫民旋，学士，E-mail：moamo1026@gmail.com
基金资助:
中国科技基础资源调查专项(2018FY101003);国家自然科学基金(82471020);四川省自然科学基金项目(2024NSFSC1593);教育部高等教育司产学合作协同育人项目(2020)

Analysis of the associations between maxillary anterior teeth and facial measurements in Han Chinese individuals with the most attractive smiles

Mo Minxuan¹(), Pi Huaijin¹, Lin Youkai¹, Long Yifei¹, Fu Xiangqing¹, Duan Peipei²()

^1.State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
^2.State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Dept. of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China

Received:2024-11-11 Revised:2025-01-08 Online:2025-08-01 Published:2025-08-29
Contact: Duan Peipei E-mail:moamo1026@gmail.com;duanp@scu.edu.cn
Supported by:
Science and Technology Fundamental Resources Investigation Program of China(2018FY101003);National Natural Science Foundation of China(82471020);Sichuan Science and Technology Program(2024NSFSC1593);University-Industry Collaborative Education Program of Higher Education Department of Ministry of Education(2020)

摘要/Abstract

摘要：

目的探讨汉族最具吸引力微笑人群上颌前牙尺寸与面部尺寸的相关性及比例关系。方法由10名三甲口腔专科医院不同专业方向且有5年以上临床经验的口腔医生，采用视觉模拟量表（VAS）对志愿者的社交性微笑正面照、斜45°微笑照及侧面微笑照进行微笑吸引力程度评分，筛选88名汉族最具吸引力微笑志愿者。分别在微笑正面照、数字化口腔模型、面部3D模型上测量志愿者的上颌前牙感知宽度、上颌中切牙尺寸（高度、宽度）、面部尺寸（内眦间距、颧骨间距、鼻翼间距、面高和面下1/3高度）。Pearson相关分析和一元线性回归分析评价上颌前牙感知宽度之间、上颌中切牙与面部尺寸之间的相关性和比例关系。结果汉族最具吸引力微笑人群中切牙与侧切牙、侧切牙与尖牙、中切牙与尖牙感知宽度的Pearson相关系数分别为0.813、0.389和0.560。中切牙与侧切牙感知宽度的非标准化系数（B）为0.729，中切牙预测与侧切牙实际的感知宽度间的ICC值为0.800。除上颌中切牙宽度与鼻翼间距呈正相关（r=0.249）、男性上颌中切牙高度与面高呈负相关（r=-0.357）外，上颌中切牙与面部尺寸其他指标间均无相关性。结论由多个口腔专科医生评估的汉族最具吸引力微笑人群上颌前牙的感知宽度之间存在相关性。上颌中切牙高度、宽度与部分面部尺寸存在相关性。侧切牙感知宽度可作为预测中切牙感知宽度的参考指标。

关键词: 上颌前牙, 面部尺寸, 感知宽度, 相关性, 比例关系, 最具吸引力微笑

Abstract:

Objective This study aimed to analyze the correlations and proportional relationships between maxillary anterior teeth (MAT) and facial measurements in Han Chinese individuals with the most attractive smiles, as evaluated by dental professionals. Methods Ten dentists with more than 5 years of clinical experience from different professional directions in a tertiary stomatological hospital were selected to evaluate the smile attractiveness of volunteers by visual analogue scale (VAS). Eighty-eight Han volunteers with the most attractive smile were selected. The perceived width of the MAT, the dimensions (height and width) of the maxillary central incisors (MCI), and the facial dimensions (intercanthal distance, interzygomatic distance, interalar distance, facial height and lower facial height) of the volunteers were measured on the frontal photos of the smile, digital oral model, and 3D face model. Pearson correlation analysis was performed to analyze linear correlations, and regression analysis was carried out to explore the proportional relationships. Reliability analysis using the intraclass correlation coefficient verified the stability of these proportional relationships. In addition, the correlations between MAT perceived width and the proportional relationships of (MCI) height to width ratio, with facial dimensions were explored and their reliability was verified. Results In Han Chinese individuals with the most attractive smiles, as evaluated by dental professionals, the Pearson correlation coefficients among MAT perceived widths were 0.813, 0.389, and 0.560. A proportional relationship existed between the lateral incisor and central incisor, and the ratio was 0.729. No significant correlations were found between MCI and the inner canthal distance, zygomatic distance, interalar distance, facial height, or the lower one-third facial height except for a negative correlation (r=-0.357) between MCI height and facial height in males and a positive correlation (r=0.249) between MCI width and interalar width when genders were combined. Conclusion Correlations exist among MAT perceived widths in Han Chinese individuals with the most attractive smiles, as evaluated by dental professionals. Partial correlations are observed between MCI height and width and facial measurements. The perceived width of the lateral incisor can serve as a reference indicator for predicting the perceived width of the central incisor, providing a reference for the aesthetic restoration of MAT in the Han ethnicity population.

Key words: maxillary anterior teeth, facial measurement, perceived width, correlation, proportion, the most attractive smiles

中图分类号:

莫民旋, 皮怀瑾, 林宥凯, 龙逸飞, 符向清, 段沛沛. 汉族最具吸引力微笑人群的上颌前牙尺寸与面部尺寸的相关性分析[J]. 华西口腔医学杂志, 2025, 43(4): 584-591.

Mo Minxuan, Pi Huaijin, Lin Youkai, Long Yifei, Fu Xiangqing, Duan Peipei. Analysis of the associations between maxillary anterior teeth and facial measurements in Han Chinese individuals with the most attractive smiles[J]. West China Journal of Stomatology, 2025, 43(4): 584-591.

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参考文献 28

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项目		均值/mm	标准差/mm	t值	P值
中切牙	右侧	8.353	0.808	0.044	0.965
	左侧	8.352	0.837	0.044	0.965
侧切牙	右侧	6.084	0.699	-0.247	0.806
	左侧	6.098	0.825	-0.247	0.806
尖牙	右侧	5.165	0.728	-0.988	0.326
	左侧	5.228	0.787	-0.988	0.326

项目		均值/mm	标准差/mm	t值	P值
中切牙	男	8.268	0.915	-0.917	0.362
中切牙	女	8.427	0.715	-0.917	0.362
侧切牙	男	6.082	0.734	-0.112	0.911
侧切牙	女	6.099	0.717	-0.112	0.911
尖牙	男	5.187	0.739	-0.122	0.903
尖牙	女	5.205	0.664	-0.122	0.903

因变量	自变量	非标准化系数		标准化系数	t值	P值
因变量	自变量	B	标准误	Beta	t值	P值
侧切牙	中切牙	0.729	0.005	0.998	136.846	<0.001
尖牙	侧切牙	0.845	0.013	0.990	67.030	<0.001
尖牙	中切牙	0.621	0.007	0.994	83.087	<0.001

项目		均值/mm	标准差/mm	t值	P值
高度	右侧	9.323	0.955	0.902	0.369
高度	左侧	9.364	0.933	0.902	0.369
宽度	右侧	8.432	0.453	1.836	0.070
宽度	左侧	8.475	0.449	1.836	0.070

尺寸测量	性别	均值/mm	标准差/mm	t值	P值
上颌中切牙高度	男	9.699	1.000	3.528	0.001
上颌中切牙高度	女	9.034	0.723	3.528	0.001
上颌中切牙宽度	男	8.592	0.466	2.883	0.005
上颌中切牙宽度	女	8.333	0.375	2.883	0.005
面高	男	194.397	8.443	3.603	0.001
面高	女	188.007	8.174	3.603	0.001
面下1/3高度	男	71.282	4.247	5.295	<0.001
面下1/3高度	女	66.909	3.499	5.295	<0.001
内眦间距	男	36.873	2.355	1.035	0.304
内眦间距	女	36.376	2.148	1.035	0.304
颧骨间距	男	133.649	5.980	4.955	<0.001
颧骨间距	女	128.097	4.506	4.955	<0.001
鼻翼间距	男	42.334	3.510	6.212	<0.001
鼻翼间距	女	38.270	2.609	6.212	<0.001

汉族最具吸引力微笑人群的上颌前牙尺寸与面部尺寸的相关性分析

Analysis of the associations between maxillary anterior teeth and facial measurements in Han Chinese individuals with the most attractive smiles

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