Sparse Dynamic MRI of the Temporomandibular Joint

Assessment of the masticatory motion of the temporomandibular joint (TMJ) is of interest for a variety of pathologies, e.g. the abnormal motion of the articular disc. In this contribution we use k-t radial sparse SENSE for the imaging of the TMJ dynamics to increase the achievable spatiotemporal resolution. While previous methods enabled dynamic TMJ imaging without motion blur at 15 to 50 seconds per opening-closing cycle, the proposed methods enables the imaging of the TMJ at opening-closing cycle times of 4 to 8 seconds.

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