부산대학교 도서관

A case study of 23-year-old male patient with complaint of pain in relation to the maxillary left anterior region is presented. On diagnosis patient gave history of root canal treatment; and radiographic examination revealed a well-defined periapical radiolucency around the apices of maxillary left central and lateral incisors. He was treated using root canal therapy in the maxillary left central and lateral incisors followed by root end resection.