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Gus Iversen, Editor in Chief | June 17, 2024
Dentsply Sirona and Siemens Healthineers present a scale model of the first dental-dedicated MR device
Siemens Healthineers and Dentsply Sirona, a global leader in dental technology, introduced the world’s first dental-dedicated MR scanner, MAGNETOM Free.Max Dental Edition, at the European Congress of DentoMaxilloFacial Radiology in Freiburg, Germany.
The .55T system, which uses Dry Cool technology and requires only 0.7 liters of liquid helium over the lifetime of the device, could enhance oral diagnostics by providing detailed soft tissue contrast, and is designed to complement existing imaging modalities like X-rays and cone beam CT scans. By providing superior soft tissue visualization, it may aid in early detection of oral diseases and improve treatment planning. Initial clinical trials have demonstrated the system's potential in various dental applications, including third molar extraction, endodontics, temporomandibular disorders, periodontitis, and orthodontics.
The MAGNETOM Free.Max Dental Edition features a dental-specific receiver coil that simplifies patient setup and enhances image quality. Tailored scan protocols and an automated focus on dental anatomy facilitate efficient MR image acquisition, with the entire process comparable to a CBCT scan in terms of workflow and time. The system's compact size and helium-free cooling technology reduce infrastructure needs, making it accessible for dental schools and universities.
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"I see great potential in this new imaging technique for dentomaxillofacial diagnostics," said Dr. Rubens Spin-Neto, from the Section of Oral Radiology, Department of Dentistry and Oral Health at Aarhus University, Denmark. "Seeing more by obtaining additional information to a CBCT scan (for example, the soft tissues) means being able to treat patients in a more targeted and maybe more successful way."
Together with Dr. Donald Tyndall, Spin-Neto gave a lecture on dental-dedicated MR in dentomaxillofacial radiology at the ECDMFR meeting. In their presentation they provided a thorough explanation of the physics behind MR imaging, the concepts defining what dental-dedicated MR imaging is, and showed cases comparing 2D X-rays, and CBCT results to dental-dedicated MR, elucidating the differences and the added value of ddMRI in the resulting images.
