title: Coronal leakage and treatment failure.
abstract: This report presents a case in which undiagnosed coronal leakage resulted in failure in the endodontic management of a tooth. Coronal leakage occurred during root canal treatment as a result of the presence of deficient composite resin fillings and secondary caries. Despite repeated visits of cleaning and dressing, the canal continued to be contaminated and symptoms persisted. On referral, the reason for treatment failure was diagnosed. The tooth was successfully treated by the replacement of the deficient fillings, after the elimination of underlying caries. Symptoms resolved enabling the completion of the root canal treatment.
authors.affiliation: Department of Conservative Dental Surgery, United Medical and Dental Schools, Guy's Hospital, London, England.
authors.forename: B S
authors.initials: BS
authors.lastname: Chong
mesh_terms: D000328:Adult; D003188:Composite Resins; D003731:Dental Caries / Q000150:complications* / Q000209:etiology; D003763:Dental Leakage / Q000209:etiology*; D003793:Dental Restoration, Permanent / Q000009:adverse effects*; D005260:Female; D006801:Humans; D010483:Periapical Diseases / Q000209:etiology; D012086:Reoperation; D012388:Root Canal Irrigants; D012390:Root Canal Therapy; D017211:Treatment Failure
chemical_list: D003188:Composite Resins; D012388:Root Canal Irrigants