For the diagnosis of temporomandibular joint disease, it is important to analyze with complete accuracy the range of mandibular motion and the tissue properties of the masticatory muscle in individual patients. In this study, we explored the parameters for accurate imaging of the mandibular motion trajectory using MR dynamic imaging, and then analyzed the relationship between the range of mandibular motion and the tissue properties of the masticatory muscle. As a result, we successfully identified the optimal imaging parameters and clarified that the range of side-to-side motion of the mandibular joint correlated with the tissue properties of the masticatory muscle.
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