Three-dimensional analysis of modeled facial aging and sexual dimorphism from juvenile to elderly age

被引:6
作者
Veleminska, Jana [1 ]
Jaklova, Lenka Kozejova [1 ]
Kocandrlova, Karolina [1 ]
Hoffmannova, Eva [1 ]
Koudelova, Jana [1 ]
Sucha, Barbora [1 ]
Dupej, Jan [1 ]
机构
[1] Charles Univ Prague, Dept Anthropol & Human Genet, Fac Sci, Vinicna 7, Prague 12843, Czech Republic
关键词
SOFT-TISSUE PROFILE; GROWTH CHANGES; MORPHOLOGY; ANTHROPOMETRY; CHILDREN; VALUES; NOSE;
D O I
10.1038/s41598-022-26376-8
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
A detailed understanding of craniofacial ontogenetic development is important in a variety of scientific disciplines dealing with facial reconstruction, forensic identification, ageing prediction, and monitoring of pathological growth, including the effect of therapy. The main goals of this study were (1) the construction of the facial aging model using local polynomial regression fitting separately for both sexes, (2) evaluation of the aging effect not only on facial form as a whole but also on dimensions important for clinical practice, and (3) monitoring of the development of shape facial sexual dimorphism. Our study was based on the form and shape analysis of three-dimensional facial surface models of 456 individuals aged 14-83 years. The facial models were obtained using a structured light-based optical scanner and divided (for some analyses) into four age categories (juveniles, young adults, middle adults, and elderly adults). The methodology was based on geometric and classic morphometrics including multivariate statistics. Aging in both sexes shared common traits such as more pronounced facial roundness reducing facial convexity, sagging soft tissue, smaller visible areas of the eyes, greater nose, and thinner lips. In contrast to female faces, male faces increase in size until almost 30 years of age. After the age of 70, male facial size not only stagnates, like in females, but actually decreases slightly. Sexual dimorphic traits tended to diminish in the frontal and orbitonasal areas and increase in the gonial area.
引用
收藏
页数:12
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