Morphological variations and differences of the mandible and midfacial skeleton across different sagittal skeletal patterns and sexes: a three-dimensional geometric morphometric analysis
Guangpu Zhao, Xinyu Su, Danqing He, Yan Gu · 2026
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Description
Guangpu Zhao and co-authors map three-dimensional shape differences in the jaw and midface across bite patterns and sexes, in work published in 2026. Orthodontists need precise shape knowledge for diagnosis and treatment planning. Older two-dimensional studies cannot capture full facial form, so the team used dense three-dimensional templates.
They registered 186 segmented skeleton images onto templates carrying tens of thousands of matched points. After alignment, statistical analysis extracted the main axes of shape variation. For the jaw, the leading axis mixed front-to-back length with width between the jaw angles. Average shapes were compared across skeletal patterns and between sexes, and a regression separated the effects of jaw angle and sex. The method itself is offered as a new tool for orthodontic morphology.
Catalog record
| CREATOR | Guangpu Zhao, Xinyu Su, Danqing He, Yan Gu |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 59 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |