Clinical outcomes of endodontic microsurgery in complicated cases with large or through-and-through lesions: a retrospective longitudinal study.

Objectives: To investigate the clinical outcomes of endodontic microsurgery in complicated cases presenting with large or through-and-through lesions.

Materials And Methods: We retrospectively collected and analyzed preoperative, intraoperative, and follow-up data from 143 complicated cases that underwent endodontic microsurgery. Clinical outcomes were assessed in terms of tooth survival and surgery success.