[Estimation of distant results of the repeated endodontic treatment of teeth].

An attempt of treatment of 78 teeth with root canals filled incorrectly has been undertaken. The treatment has been correctly brought to completion in case of 67 teeth (84%). After 3 to 36 months no clinical pathological symptoms was found during follow-up examinations and total bone reconstruction was found by radiological examinations in 53.7% of cases. In the other cases pathological changes were decreasing. Root apex resorption took place in one case.