Does Hand-Predominance Have a Predominant Influence on Craniofacial Asymmetric and Anthropometric Analysis in Preadolescences?

Although the human body generally exhibits bilateral symmetry, achieving perfect symmetry is exceedingly uncommon. During preadolescent development, a face that approximates symmetry is considered both aesthetically and functionally ideal. This study aimed to investigate the relationship between cra...

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Bibliographic Details
Published in:Diagnostics (Basel) 2024-10, Vol.14 (21), p.2359
Main Authors: Chen, Gloria, Tu, Junior Chun-Yu, Chen, Shih-Heng, Hsieh, Emma Yuh-Jia, Pai, Betty C J, Tsai, Ching-Yen, Chou, Pang-Yun
Format: Article
Language:English
Subjects:
3D stereophotogrammetry
Analysis
Asymmetry
Children & youth
Cognitive ability
craniofacial asymmetry
Cross-sectional studies
Demographic aspects
Facial asymmetry
hand-predominance
Influence
laterality
Left- and right-handedness
Morphology
Observational studies
school-aged children
Symmetry
Three dimensional imaging
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Summary:Although the human body generally exhibits bilateral symmetry, achieving perfect symmetry is exceedingly uncommon. During preadolescent development, a face that approximates symmetry is considered both aesthetically and functionally ideal. This study aimed to investigate the relationship between craniofacial traits and hand predominance, using three-dimensional (3D) stereophotogrammetry to discern whether facial soft-tissue characteristics are correlated with hand preference. The study involved children aged 9 and 10 years who were free from any diagnosed craniofacial anomalies. Three-dimensional stereophotogrammetry was conducted to analyze their facial morphology, and 37 distinct anatomical landmarks were manually identified using a MATLAB-developed program. A total of 188 Taiwanese children participated in the study. All participants were healthy, with a mean age of 9.79 years. Among them, 93.1% (175) were right-hand predominant, and 6.9% (13) were left-hand predominant. There were no significant differences in linear parameters or facial asymmetry between right-hand-predominant and left-hand-predominant participants ( > 0.05). However, a consistent trend toward right laterality, especially in the right lateral frontal region of the cranium, was observed, as illustrated by heat maps of the average three-dimensional model. The study found no association between facial morphology and hand predominance. A normal asymmetry with a rightward tendency was noted in children aged 9 to 10 years, which was particularly notable in the lateral frontal region of the head.
ISSN:2075-4418
2075-4418
DOI:10.3390/diagnostics14212359