title: Mediastinal emphysema resulting from extraction of an impacted mandibular third molar.
mesh_terms: D000328:Adult; D000388:Air; D003755:Dental High-Speed Technique / Q000009:adverse effects; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography; D014081:Tooth Extraction / Q000009:adverse effects*; D014095:Tooth, Impacted / Q000601:surgery*