title: Removable magnetic dental attachment that permits magnetic resonance imaging.
abstract: Magnetic dental attachments cause magnetic resonance image (MRI) degradation. A new magnetic dental attachment that allows removal of magnetic parts to exchange them for nonmagnetic parts was developed and tested. It allows high quality MRI with no change in occlusal vertical dimension. A volunteer test subject with combinations of attachments in place was examined by MRI. The images produced showed no degradation or distortion. Magnetic attachments for overdentures or maxillofacial prostheses should be removable to permit use of MRI.
authors.affiliation: Department of Removable Prosthetic Dentistry, Kyushu Dental College, Kitakyushu, Japan.
authors.forename: S
authors.initials: S
authors.lastname: Masumi
authors.forename: K
authors.initials: K
authors.lastname: Nagatomi
authors.forename: S
authors.initials: S
authors.lastname: Miyake
authors.forename: S
authors.initials: S
authors.lastname: Toyoda
mesh_terms: D003035:Cobalt / Q000737:chemistry; D003722:Dental Alloys / Q000737:chemistry; D003779:Denture Design; D003781:Denture Retention / Q000295:instrumentation*; D006047:Gold Alloys / Q000737:chemistry; D006801:Humans; D007089:Image Enhancement; D008279:Magnetic Resonance Imaging; D008280:Magnetics; D009532:Nickel / Q000737:chemistry; D010165:Palladium / Q000737:chemistry; D012493:Samarium / Q000737:chemistry; D012834:Silver / Q000737:chemistry
chemical_list: D003722:Dental Alloys; D006047:Gold Alloys; D003035:Cobalt; D012834:Silver; D012493:Samarium; D010165:Palladium; D009532:Nickel