An In-Vitro Evaluation of Orthodontic Aligner Biomechanics Around the Maxillary Arch
American Journal of Orthodontics and Dentofacial Orthopedics
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Introduction: The objective of this study was to evaluate the forces and moments exerted by orthodontic aligners on 3 different displaced maxillary teeth and their adjacent supporting teeth. Methods: An in vitro orthodontic simulator was used to measure the forces and moments of a 0.75-mm thick glycol-modified polyethylene terephthalate material for 3 maxillary teeth: central incisor, canine, and second premolar. Forces and moments were recorded for tested teeth displaced lingually one by one for 0.20 mm. Repeated measures of multivariate analysis of variance was used to assess the outcome. Results: The mean buccolingual force applied on a displaced canine (2.25 ± 0.38 N) was significantly... (See full abstract in article).
Biomechanics | Orthodontics and Orthodontology
Mah, J. K.,
Major, P. W.,
Ramonyk, D. L.
An In-Vitro Evaluation of Orthodontic Aligner Biomechanics Around the Maxillary Arch.
American Journal of Orthodontics and Dentofacial Orthopedics, 160(3),