• I Dojcinovic, M Hugentobler, and M Richter.
• Département de Chirurgie, Service de Chirurgie Maxillo-faciale et de Chirurgie Buccale, Hôpital Cantonal de Genève, Suisse. ivan.dojcinovic@hcuge.ch
• Rev Stomatol Chir Maxillofac. 2006 Nov 1; 107 (5): 366-9.

IntroductionNinety percent of oro-facial infections arise from a dental origin. The remaining 10% are the consequence of oro-pharyngeal, cutaneous or iatrogenic problems, such as in the present case.Case ReportA 24-year-old patient consulted the emergency room because of a left mandibular swelling, accompagnied by trismus. Four days earlier, extraction of the 38 was performed under inferior alveolar nerve block anesthesia. A first drainage by vestibular approach was performed under general anesthesia. Because of the absence of improvement, a CT-scan was performed and an abscess localized at the base of the condyle, surrounding the posterior margin of the mandible, very high above the lingula. Outcome was favourable after a second surgery.DiscussionFormation of an abscess very high above the lingula, around the condylar neck is rarely reported in the literature. In this patient it was certainly a complication resulting from the injection of local anesthesic with a vasoconstrictor. CT-scan should be performed to guide diagnosis in the event of an unusual course after the first surgical procedure and an adequate antibiotic regimen.

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