[具有最迷人笑容的汉人上颌前牙与面部尺寸的关系分析]。

Minxuan Mo, Huaijin Pi, Youkai Lin, Yifei Long, Xiangqing Fu, Peipei Duan
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引用次数: 0

摘要

目的:本研究旨在分析由牙科专家评估的具有最迷人微笑的汉族个体上颌前牙(MAT)与面部测量的相关性和比例关系。方法:选择某三级口腔医院10名临床经验5年以上不同专业方向的牙医,采用视觉模拟量表(VAS)对志愿者的微笑吸引力进行评价。88名笑容最迷人的汉族志愿者被选中。通过微笑正面照片、数字口腔模型和三维面部模型,测量志愿者的感知MAT宽度、上颌中切牙(MCI)尺寸(高度和宽度)和面部尺寸(颊间距离、颧间距离、颊间距离、面部高度和下面部高度)。采用Pearson相关分析分析线性相关性,采用回归分析探讨比例关系。用类内相关系数进行信度分析,验证了这些比例关系的稳定性。此外,探讨了MAT感知宽度、MCI高宽比与面部尺寸的比例关系,并验证了其可靠性。结果:在具有最迷人笑容的汉族个体中,经牙科专家评估,MAT感知宽度的Pearson相关系数分别为0.813、0.389和0.560。侧切牙与中切牙呈比例关系,比值为0.729。除男性MCI高度与面部高度呈负相关(r=-0.357),男性MCI宽度与颊间宽度呈正相关(r=0.249)外,MCI与内眦距离、颧骨距离、翼间距离、面部高度或下三分之一面部高度均无显著相关。结论:经牙科专家评估,具有最迷人笑容的汉人MAT感知宽度之间存在相关性。MCI的高度和宽度与面部测量值之间存在部分相关。侧切牙感知宽度可作为预测中切牙感知宽度的参考指标,为汉族人群MAT的美学修复提供参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
[Analysis of the associations between maxillary anterior teeth and facial measurements in Han Chinese individuals with the most attractive smiles].

Objectives: 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.

Conclusions: 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.

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