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Abstract #0560

Simultaneous imaging of hard and soft biological tissues in a low-field MRI scanner

José Miguel Algarín1, Elena Díaz2, Pepe Borreguero1, Fernando Galve1, Daniel Grau2, Juan Pablo Rigla2, Rubén Bosch1, José Manuel González2, Eduardo Pallás1, Miguel Corberán1, Carlos Gramage1, Alfonso Ríos2, José María Benlloch1, and Joseba Alonso1
1I3M, CSIC, Valencia, Spain, 2Tesoro Imaging, Valencia, Spain

Here we present the first demonstration of dental imaging in a low cost MRI setup at sub-Tesla fields (260 mT). We show 3D reconstructions of a rabbit head and human teeth acquired in “DentMRI – Gen I” (Fig. 1(a)), a home-made special-purpose MRI scanner designed with the goal of demonstrating dental imaging at low field strengths. We use two variations of zero echo time (ZTE) pulse sequences (Fig. 1(b)): standard PETRA , and Double Radial Non Stop Spin Echo (DRaNSSE), which we have devised to address limitations we find with PETRA. We reconstruct images by Algebraic Reconstruction Techniques (ART).

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