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Abstract #2406

Inductively coupled coils enable dental MRI with 350 um isotropic resolution in 2 min

Ute Ludwig1,2, Anne-Kathrin Eisenbeiss1,2, Philipp Amrein1,2,3, Tabea Flügge2,3, Johannes Maier2,3, Katja Nelson2,3, and Jan-Bernd Hövener1,2,4

1Department of Radiology, Medical Physics, Medical Center - University of Freiburg, Freiburg, Germany, 2Faculty of Medicine, University of Freiburg, Freiburg, Germany, 3Division of Oral and Maxillofacial Surgery, Medical Center - University of Freiburg, Freiburg, Germany, 4Partner Site Freiburg, German Consortium for Cancer Research (DKTK), Heidelberg, Germany

High-resolution MRI of the lower jaw with an isotropic voxel size of 350 μm was performed at 3T using a 4-cm loop coil (LC) with and without an inductively coupled volume coil (ICC) enclosing the target region. Within this region, a much higher SNR was obtained and the resolution of anatomical details was strongly enhanced with the ICC. A new, custom-made holder for the LC improved the overall handling. Compared to earlier results, the scan time was reduced by 50%, now 2 minutes, to provide very high resolution MRI of 2-3 teeth.

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