Signal loss in magnetic resonance imaging caused by intraoral anchored dental magnetic materials;Signallöschung im MRT-Bild, verursacht durch intraoral verankerte dentale magnetwerkstoffe

RoFo Fortschritte auf dem Gebiet der Rontgenstrahlen und der Bildgebenden Verfahren

Volumn 178, Issue 8, 2006, Pages 787-793

  Blankenstein, Felix H ^a   Truong, B ^b   Thomas, A ^a   Schroder R J ^a   Naumann, M ^a  

^a CHARITÉ UNIVERSITÄTSMEDIZIN BERLIN   (Germany)

^b Zahnarztpraxis   (Germany)

Author keywords

Artifacts; Dental magnets; Ferromagnetism; MRI; Signal loss

Indexed keywords

FERROMAGNETIC MATERIAL; BIOMEDICAL AND DENTAL MATERIALS;

ARTICLE; ARTIFACT; DENTAL EQUIPMENT; IMAGE QUALITY; MAGNET; NUCLEAR MAGNETIC RESONANCE IMAGING; PRIORITY JOURNAL; COMPUTER ASSISTED DIAGNOSIS; HUMAN; INSTRUMENTATION; MAGNETISM; METHODOLOGY; ORTHODONTICS; REPRODUCIBILITY; SENSITIVITY AND SPECIFICITY;

ARTIFACTS; DENTAL MATERIALS; HUMANS; IMAGE INTERPRETATION, COMPUTER-ASSISTED; MAGNETIC RESONANCE IMAGING; MAGNETICS; ORTHODONTIC ANCHORAGE PROCEDURES; PHANTOMS, IMAGING; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY;

EID: 33748449694     PISSN: 14389029     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2006-926817     Document Type: Article

References (16)

1. Buchli R, Boesiger P, Meier D et al. Heating effects of metallic implants by MRI examinations. Magn Reson Med 1988; 7: 255-261
2. Hug J, Nagel E, Bornstedt A et al. Coronary arterial stents: safety and artifacts during MR imaging. Radiology 2000; 216: 781-787
3. Shellock FG, Shellock VJ. Metallic Stents: Evaluation of MR imaging safety. AJR 1999; 173: 543-547
4. Shellock FG. Reference manual for magnetic resonance safety, implants, and devices: 2005 edition. Los Angeles: Biomedical research publishing group, 2005
5. Fellner C, Behr M, Fellner F et al. Artefakte durch Dentallegierungen in der MR-Bildgebung des Temporomandibulargelenks: eine Phantommodellstudie. Fortschr Röntgenstr 1997; 166: 421-428
6. Lissac M, Metrop D, Brugirard J et al. Dental materials and magnetic resonance imaging. Invest Radiol 1991; 26: 40-45
7. Blankenstein F. Systemvorstellung In: Blankenstein F (Hrsg). Magnete in der Zahnmedizin. Rottweil: flohr, 2001: 39-53
8. Masumi S, Nagatomi K, Miyake S. Magnetic dental attachment that permits magnetic resonance imaging. J Prosth Dent 1992; 68: 698-701
9. Widera MP. Die Retention verschiedener Wurzelkanalstiftsysteme in Abhängigkeit von Zementen und Vorbehandlungstechniken - eine Invitro-Studie. Halle-Wittenberg: Med. Diss, 2004
10. Gegauff AG, Laurell KA, Thavendrarajah A et al. A potential MRI hazard: forces on dental magnet keepers. J Oral Rehab 1990; 17: 403-410
11. Herold T, Caro WC, Heers G et al. Abhängigkeit der Artefaktgröße vom Sequenztyp in der MRT-Präparatstudie zur Beurteilung der postoperativen Schulter nach Labrumfixation. Fortschr Röntgenstr 2004; 176: 1296-1301
12. Teitelbaum GP, Bradley WG, Klein BD. MR imaging artifacts, ferromagnetism, and magnetic torque of intravascular filters, stents and coils. Radiology 1988; 166: 657-664
13. Edwards MB, Taylor KM, Shellock FG. Prosthetic heart valves: Evaluation of magnetic field interactions, heating, and artifacts at 1,5 T. J MRI 2000; 12: 363-369
14. Klemm T, Duda S, Machann MD et al. MR imaging in the presence of vascular stents: A systematic assessment of artifacts for various stent orientations, sequenze types, and field strengths. J MRI 2000; 12: 606-615
15. Thomson M, Schneider U, Breusch SJ et al. Artefakte und Ferromagnetismus von Metallegierungen in der Kernspintomographie, eine experimentelle Studie. Orthopäde 2001; 8: 540-544
16. Wackym PA, Michel MA, Prost RW et al. Effect of magnetic resonance imaging on internal magnet strength in Med-El Combi 40 + cochlear implants. Laryngoscope 2004; 114: 1355-1361