Surgical enucleation of a radicular cyst is a common treatment in endodontics but the pretreatment planning and assessment of the post-treatment healing in the cystic cavity is of utmost importance. The advantage of cone beam computed tomography (CBCT) in endodontics is that it demonstrates anatomic features in three dimensions that is not possible with intraoral periapical (IOPA) and panoramic radiographic images. In this case report, a CBCT was done to evaluate the size and extent of the radicular cyst in the maxillary anterior region and was enucleated. Apicoectomy was done and the hollow cavity was filled with platelet rich fibrin. A postoperative CBCT was done 2 years later to assess the healing. Specific situations, both pre- and postoperatively, where the understanding of spatial relationships afforded by CBCT facilitates diagnosis, influences treatment and assess healing.
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