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Abstract #3944

Real-time tyGA Imaging for diagnosis and treatment evaluation of articular disc displacements in the TMJ

Kilian Stumpf1, Mariam Seyfang2, Bernd Georg Lapatki2, and Volker Rasche1
1Department of Internal Medicine II, Ulm University Medical Center, Ulm, Germany, 2Department of Orthodontics, Ulm University Medical Center, Ulm, Germany

Magnetic resonance imaging (MRI) scans are the gold standard for confirming clinical diagnosis of temporomandibular disorders involving the condyle‚Äďarticular disc complex, such as articular disc displacements (ADDs). Dynamic MRI has previously been applied for the visualization of motions of the temporomandibular joint. A combination of tiny golden angle (tyGA) profile ordering and a sliding window reconstruction allows retrospective reconstruction of images with nearly arbitrary temporal resolutions. In this contribution a real-time tyGA sequence with a frame rate of up to 125 ms was successfully applied for the diagnosis of ADD as well as occlusal splint therapy planning and evaluation.

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