Severe restriction in jaw movement after routine injection of local anesthetic in patients who have Fibrodysplasia Ossificans Progressiva

Wayne Luchetti, Randolph B. Cohen, Gregory V. Hahn, David M Rocke, Mark Helpin, Michael Zasloff, Frederick S. Kaplan

Research output: Contribution to journalArticle

79 Scopus citations

Abstract

Objective. To determine the relationship of dental procedures to immediate ossification and ankylosis of the jaw in patients who have fibrodysplasia ossificans progressiva. Study design. A mail survey was conducted of the 60 patient-members of the International Fibrodysplasia Ossificans Progressiva Association. All 41 patients (18 males, 23 females) who responded were examined. Instantaneous exact hazard rates for ossification of the jaw were calculated by the Weibull model. Results. Thirty-six patients had dental procedures performed. Twenty-one (58%) patients had received an injection of local anesthetic. Five (24%) patients had an immediate flare-up of fibrodysplasia ossificans progressiva with ossification and permanent ankylosis of the jaw (expected occurrence, 0.031; p < 0.0001). None of the 12 patients who had comparable dental work without injections developed heterotopic ossification (expected occurrence, 0.019; not significant). Conclusion. Injections of local anesthetic during dental procedures pose serious and immediate risk for inciting heterotopic ossification and ankylosis of the jaw in patients who have fibrodysplasia ossificans progressiva and should be assiduously avoided.

Original languageEnglish (US)
Pages (from-to)21-25
Number of pages5
JournalOral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
Volume81
Issue number1
StatePublished - 1996

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ASJC Scopus subject areas

  • Dentistry(all)
  • Pathology and Forensic Medicine
  • Radiology Nuclear Medicine and imaging
  • Surgery

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