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Quantification of the relative orientation and position of the mandible condyles

par Bescond, Gaël ;Gales, Michèle ;Glineur, Régine ;Bonnechere, Bruno ;Sholukha, Victor ;Louryan, Stéphane ;Van Sint Jan, Serge
Référence Morphologie
Publication Publié, 2020-11-07

Article révisé par les pairs

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Résumé :

The human temporomandibular joint (TMJ) is involved in vital functions such asfeeding and talking, while its disorder prevalence is reported to be between 5% and 12%.Functional evaluation using quantitative motion analysis tools is interesting in order to betterunderstand normal and abnormal TMJ behavior. But, for the same mandibular displacement,left and right condyles will most certainly give different motion representation: both condylesshowing a different shape and volume, being most of the time asymmetric and highly individual.This study performs quantification on relative left and right condyle orientation and positionusing the spatial location of palpated anatomical landmarks (ALs) and anatomical frames (AFs),on three-dimensional (3D) models created from computerized tomography (CT) performed on94 mandibles from Université Libre de Bruxelles bone repository, and magnetic resonance imag-ing (MRI) performed on 11 living subjects. Our aim was to gather as much data as possible onthe morphological aspect of the condyle’s orientation asymmetry within the same mandible, inorder to better address the difference of motion representation that will be observed for theright and left condyles in further kinematic studies.