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Abstract #3678

MRI of the moving TMJ using Contour Fitting in the Correlation Matrix (CoFi-CoMa)

Stefan Wundrak 1,2 , Jan Paul 1 , Johannes Ulrici 2 , Erich Hell 2 , Margrit-Ann Geibel 1 , and Volker Rasche 1

1 Ulm University, Ulm, Baden-Wrttemberg, Germany, 2 Sirona Dental Systems, Bensheim, Hessen, Germany

Assessment of the motion of the temporomandibular joint is of interest for a variety of pathologies. The dynamic visualization of the TMJ under realistic mastication is still limited by the poor spatiotemporal resolution. In this contribution we combine the advantages of self-gating and adaptive averaging by using contour fitting in the correlation matrix (CoFi-CoMa) to increase the achievable temporal resolution and SNR. Moving images of the TMJ at this fast opening / closing cycle rate in combination with the achieved high temporal resolution and high SNR have not been shown before.

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