title: Iatrogenic pneumomediastinum with extensive subcutaneous emphysema after endodontic treatment: report of 2 cases.
abstract: Pneumomediastinum with subcutaneous emphysema is a relatively rare complication of dental treatment. The most common dental etiology of this complication is the introduction of air via the air-turbine handpiece during surgical extraction of an impacted tooth, but this complication is very rare after nonsurgical endodontic treatment. We report herein 2 cases of massive pneumomediastinum and cervicofacial subcutaneous emphysema that developed after opening an access cavity for endodontic retreatment. We describe its etiologies and guidelines for the prevention of this complication during nonsurgical endodontic treatment.
authors.affiliation: Department of Endodontics, Graduate School of Medicine, Ewha Womans University, Seoul, Korea.
authors.forename: Yemi
authors.initials: Y
authors.lastname: Kim
authors.forename: Myung-Rae
authors.initials: MR
authors.lastname: Kim
authors.forename: Sun-Jong
authors.initials: SJ
authors.lastname: Kim
mesh_terms: D000328:Adult; D002610:Cheek; D003748:Dental Equipment / Q000009:adverse effects; D005260:Female; D006801:Humans; D007049:Iatrogenic Disease; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging / Q000209:etiology*; D008875:Middle Aged; D009333:Neck; D011859:Radiography; D018915:Root Canal Preparation / Q000009:adverse effects*; D013352:Subcutaneous Emphysema / Q000000981:diagnostic imaging / Q000209:etiology*