MR imaging of the temporomandibular joint: Comparison between acquisitions at 7.0 Tesla using dielectric pads and 3.0 Tesla

Kuhn, Felix P; Spinner, Georg; Del Grande, Filippo; Wyss, Michael; Piccirelli, Marco; Erni, Stefan; Pfister, Pascal; Ho, Michael; Sah, Bert-Ram; Filli, Lukas; Ettlin, Dominik A; Gallo, Luigi M; Andreisek, Gustav; Manoliu, Andrei

doi:10.1259/dmfr.20160280

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Kuhn, F. P., Spinner, G., Del Grande, F., Wyss, M., Piccirelli, M., Erni, S., Pfister, P., Ho, M., Sah, B.-R., Filli, L., Ettlin, D. A., Gallo, L. M., Andreisek, G., & Manoliu, A. (2016). MR imaging of the temporomandibular joint: Comparison between acquisitions at 7.0 Tesla using dielectric pads and 3.0 Tesla. Dentomaxillofacial Radiology, 20160280. https://doi.org/10.1259/dmfr.20160280

Abstract

OBJECTIVES To qualitatively and quantitatively compare MR imaging of the temporomandibular joint (TMJ) at 7.0 T using high-permittivity dielectric pads and 3.0 T using a clinical high-resolution protocol. METHODS IRB approved study with written informed consent. 12 asymptomatic volunteers were imaged at 7.0T and 3.0T using 32-channel head coils. High-permittivity dielectric pads consisting of barium titanate in deuterated suspension were used for imaging at 7.0T. Imaging protocol consisted of oblique sagittal PDw-TSE sequences. For