CORONAL LEAKAGE AND TREATMENT FAILURE

This report presents a case in which undiagnosed coronal leakage resul ted in failure in the endodontic management of a tooth. Coronal leakag e occurred during root canal treatment as a result of the presence of deficient composite resin fillings and secondary caries. Despite repea ted visits of cleaning and dressing, the canal continued to be contami nated and symptoms persisted. On referral, the reason far treatment fa ilure was diagnosed. The tooth was successfully treated by the replace ment of the deficient fillings, after the elimination of underlying ca ries. Symptoms resolved enabling the completion of the root canal trea tment.