title: Emphysema of soft tissues complicating endodontic treatment using hydrogen peroxide: a case report.
mesh_terms: D000328:Adult; D004646:Emphysema / Q000209:etiology*; D005260:Female; D006801:Humans; D006861:Hydrogen Peroxide / Q000009:adverse effects*; D009059:Mouth Diseases / Q000209:etiology*; D012390:Root Canal Therapy / Q000009:adverse effects*
chemical_list: D006861:Hydrogen Peroxide