A comparative study of metal artifacts from common metal orthodontic brackets in magnetic resonance imaging

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منابع مشابه

A comparative study of metal artifacts from common metal orthodontic brackets in magnetic resonance imaging

PURPOSE This study was performed to compare the metal artifacts from common metal orthodontic brackets in magnetic resonance imaging. MATERIALS AND METHODS A dry mandible with 12 intact premolars was prepared, and was scanned ten times with various types of brackets: American, 3M, Dentaurum, and Masel orthodontic brackets were used, together with either stainless steel (SS) or nickel titanium...

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Metallic biomedical implants, such as aneurysm clips, endoprostheses, and internal orthopedic devices give rise to artifacts in the magnetic resonance image (MRI) of patients. Such artifacts impair the information contained in the image in precisely the region of most interest, namely near the metallic device. Ferromagnetic materials are contraindicated because of the hazards associated with th...

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Metal Hypersensitivity in Orthodontic Patients

Orthodontic treatment of individuals with metal hypersensitivity is a matter of concern for the orthodontist. Orthodontic appliances contain metals like Nickel, Cobalt and Chromium etc. Metals may cause allergic reactions and are known as allergens. Reaction to these metals is due to biodegradation of metals in the oral cavity. This may lead to the formation of corrosion products and their expo...

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Artifacts in Magnetic Resonance Imaging

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ژورنال

عنوان ژورنال: Imaging Science in Dentistry

سال: 2015

ISSN: 2233-7822,2233-7830

DOI: 10.5624/isd.2015.45.3.159