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Case of the Week

Section Editors: Matylda Machnowska1 and Anvita Pauranik2
1University of Toronto, Toronto, Ontario, Canada
2BC Children's Hospital, University of British Columbia, Vancouver, British Columbia, Canada

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August 14, 2014

Dental Implant Migration

  • An uncommon but well-described complication of dental implant
  • Clinical Presentation: Nonspecific. Toothache, sinusitis, headache, facial pain have been described. Sometimes, such migration remains asymptomatic and is only noted "incidentally".
  • Key Diagnostic Features: Presence of hyperdense metallic foreign body within the paranasal sinuses, often maxillary sinus. Filling defect seen at the site of the previously placed implant.
  • DDx: Any other foreign body
  • Rx: Surgical removal

Suggested Reading

Galzignato P-F, Sivolella S, Cavallin G, et al. Dental implant failure associated with a residual maxillary cyst. Br Dent J 2010;208:153–54, 10.1038/sj.bdj.2010.156

Chiapasco M, Felisati G, Maccari A, et al. The management of complications following displacement of oral implants in the paranasal sinuses: a multicenter clinical report and proposed treatment protocols. Int J Oral Maxillofac Surg 2009;38:1273–78, 10.1016/j.ijom.2009.09.001

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