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Abstract #1688

Real-time MRI in axial plane allows quantitative evaluation of mandibular condyles motion symmetricity

Karyna Isaieva1, Justine Leclère1,2, Xavier Dubernard2, Jacques Felblinger1,3, and Pierre-André Vuissoz1
1IADI, Université de Lorraine, INSERM, Nancy, France, 2Oral Medicine Department, University Hospital of Reims, Reims, France, 3CIC-IT, CHRU de Nancy, INSERM, Nancy, France


Current diagnosis of temporomandibular disorders includes clinical examination and MRI; however, static MR images in only two key positions are not sufficient for detection of some cases of temporomandibular disk displacement. We acquired jaw opening and closure movements for 5 healthy volunteers with a real-time MRI in axial plane. The condyles were segmented with a convolutional neural network approach and motion curves of their mass centers were calculated. It was shown that the proposed protocol gives straighforward evaluation of condylar motion assymetry.

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