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Influence of mandibular morphology on the hyoid bone in atypical deglutition: A correlational study
Author(s) -
Almiro José Machado Júnior,
Agrício Nubiato Crespo
Publication year - 2011
Publication title -
the international journal of orofacial myology
Language(s) - English
Resource type - Journals
eISSN - 2694-2526
pISSN - 0735-0120
DOI - 10.52010/ijom.2011.37.1.3
Subject(s) - hyoid bone , swallowing , medicine , radiography , mandible (arthropod mouthpart) , orthodontics , dentistry , correlation , mandibular angle , significant difference , dentition , positive correlation , anatomy , biology , molar , geometry , mathematics , surgery , botany , genus
Objective: evaluate the possible correlation with the radiographic position of the hyoid bone and mandibular angle in lateral radiographs of children with atypical deglutition. Study design: This was an observational study using cephalometric analysis of lateral teleradiographs for the distances of H-MP (hyoid to mandibular plane). Spearman’s correlation analysis was performed with MA (mandibular angle) in two groups: the experimental group with atypical deglutition and the control group normal deglutition. Both groups included subjects in mixed dentition stage. Results: there was a significant moderate negative correlation between MA (mandibular angle) and hyoid bone (H-MP) in the normal group (R = −0.406, p = 0.021). However, there was no significant correlation between the MA and H-MP (R = 0.029, p = 0.83) in the group with atypical deglutition. Conclusion: there is a moderate negative correlation between the position of the hyoid bone and mandibular angle in the group of normal swallowing and there is no correlation between variables H-MP and MA in the group of atypical swallowing.

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