Regression of low predictability periapical lesion through endodontic treatment in a single session: case report

The endodontic treatment aims to heal the periapical tissues after the elimination of infected remains of the root canals systems, providing function to the tooth in oral environment. However, the prevalence of failure in these treatments becomes common, occasioning discomfort to the patient, due to the emergence of extensive lesions in the periodontium and painful symptomatology, consequently. In this way, the endodontic should plan comprehensively, analyzing all the diagnostic possibilities, treatment and prognostic. Basing on this, this study aims to report a case, about these perspectives, in what an extensive lesion in the periapex, of low predictability, regressed one year after conventional endodontic treatment in a single session. For this treatment we opted for radiographic methods and computerized tomography for diagnostic and control of the lesion. Therefore, basing on the therapeutic success of this case, it was verified that a precise diagnostic with an indicated endodontic treatment, can avoid an unnecessary surgical intervention and enable a favorable prognostic long-therm.