Effect of Biomechanical Properties of Perioral Soft Tissues on Lip Response to Simulated Protraction of Upper Front Teeth. KT Nguyen, M Farella, V Bennani, L Mei.
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Training AI, Wearing Tech,
and Imaging Health.
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This study included a cohort of 47 patients who were admitted to the Peking University Hospital of Stomatology between 2013 and 2020 for maxillary resection procedures, necessitated by tumours.
3dMD images of cleft patients were captured under standardized conditions between 2016 and 2022 and maintained in the database of the Amalia Cleft Palate and Craniofacial Unit of the Radboudumc, Nijmegen, the Netherlands.
Between September 2016 and April 2018, all 118 middle-aged Caucasian male subjects were capture with the 3dMDface.t System using a novel technique for the registration of head position during image acquisition. The 3D surface structures were assessed using 3dMDvultus software and 36 surface variables were analyzed including linear, angular measurements, and proportions.
All patients underwent 3dMD scans prior to orthodontic treatment. Then the differences in the 3D morphological parameters of the facial soft tissues were compared between different sexes and different types of malocclusion.
The study included 120 individuals, 60 each in the nasal breathing (NB) and mouth breathing (MB) groups.
The 3D geometric morphometry in OAVS patients could be a useful tool for objective facial asymmetry assessment in patients with OAVS.
To establish and validate a novel method to orient a 3-dimensional (3D) facial model to natural head position (NHP) in a stereophotogrammetric system using a 2-dimensional frontal full-face photograph of NHP.
This study indicates that facial asymmetry significantly increases with age and is significantly larger in males than in females.
Preoperative and 9-month follow-up cone-beam computed tomography (CBCT) and 3dMD images were obtained, superimposed, and quantified for skeletal movements and soft tissue changes in six facial regions.