Sparse Dynamic MRI of the Temporomandibular Joint
Stefan Wundrak 1 , Jan Paul 1 , Johannes Ulrici 2 , Erich Hell 2 , and Volker Rasche 1
Ulm University Hospital, Ulm, Germany,
Dental Systems, Bensheim, Germany
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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