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在未成年人中面部性质变异的三维几何形态特征
Riccardo Solazzo1, Annalisa Cappella2,3, Daniele Gibelli1
1Laboratory of Functional Anatomy of the Stomatognathic System (LAFAS), Department of Biomedical Sciences for Health, University of Milan, 20133 Milan, Italy.
Diagnostics (Basel, Switzerland)
|February 13, 2025
概括
面部的两性二态现象在3岁时出现,在7岁时出现明显的男性和女性面部形状. 这项研究使用3D几何形态测量来绘制青少年中的这些变化.
科学领域:
- 头骨面部形态和发育情况.
- 人类生物学和遗传学 人类生物学和遗传学
- 人类测量和生物识别技术
背景情况:
- 面部性二态的特征化为手术规划和识别异形特征提供了规范性数据.
- 三维 (3D) 几何形态测量 (GMM) 分析提供了对青少年面部性差异的更深入的了解.
- 之前的研究已经研究了青少年的面部差异,但很少有人利用先进的3DGMM.
研究的目的:
- 通过使用空间密集的3DGMM,研究青少年面部性变异的位置和程度.
- 在健康的意大利青少年中详细介绍不同年龄组的两形性特征.
主要方法:
- 分析了304名健康的意大利人 (3-18岁) 的3D立体摄影扫描面部扫描.
- 参与者被分为四个年龄组:幼儿时期 (3-6岁),晚儿时期 (7-12岁),青春期 (13-15岁) 和青春期 (16-18岁).
- 进行了GMM分析,包括全度测量,一般的Procrustes分析,PCA,Procrustes距离和PLS回归.
主要成果:
- 在所有研究的年龄组中,男性表现出比同龄女性更大的脸部.
- 从3岁开始,性别之间存在显著的面部形状差异.
- 生物性别预测了从7岁开始的面部软组织形态,男性表现出更突出的面部中部特征,女性表现出更向外的脸和眼睛.
结论:
- 提供了四个年龄段的男性和女性面部变化轨迹的详细描述.
- 数据作为诊断面异常和规划个性化治疗的宝贵比较参考.
- 这些发现在法医科学中具有潜在的应用,用于识别失踪的青少年.
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