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KMID : 1034420180430040039
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Restorative Dentistry & Endodontics
2018 Volume.43 No. 4 p.39 ~ p.39
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Unwanted effects due to interactions between dental materials and magnetic resonance imaging: a review of the literature
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Chockattu Sherin Jose
Suryakant Deepak Byathnal
Thakur Sophia
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Abstract
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Magnetic resonance imaging (MRI) is an advanced diagnostic tool used in both medicine and dentistry. Since it functions based on a strong uniform static magnetic field and radiofrequency pulses, it is advantageous over imaging techniques that rely on ionizing radiation. Unfortunately, the magnetic field and radiofrequency pulses generated within the magnetic resonance imager interact unfavorably with dental materials that have magnetic properties. This leads to unwanted effects such as artifact formation, heat generation, and mechanical displacement. These are a potential source of damage to the oral tissue surrounding the affected dental materials. This review aims to compile, based on the current available evidence, recommendations for dentists and radiologists regarding the safety and appropriate management of dental materials during MRI in patients with orthodontic appliances, maxillofacial prostheses, dental implants, direct and indirect restorative materials, and endodontic materials.
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KEYWORD
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Artifacts, Dental alloys, Dental implants, Dental materials, Magnetic resonance imaging, Root canal filling materials
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