A recall program for the outcome of conventional root canal treatment performed in a teaching hospital.

Objectives: This study investigated the long-term survival and the prognostic factors of endodontic treatments performed in a dental teaching hospital. The aim was to calculate the probabilities of success or failure according to the follow-up extent and to assess the time allowed for a complete periapical healing.

Materials And Methods: A cohort of 185 teeth were re-examined 1-4 years after treatment.