title: Progression of periapical cystic lesion after incomplete endodontic treatment.
abstract: We report a case of large radicular cyst progression related to endodontic origin to emphasize proper intervention and follow-up for endodontic pathosis. A 25 yr old man presented with an endodontically treated molar with radiolucency. He denied any intervention because of a lack of discomfort. Five years later, the patient returned. The previous periapical lesion had drastically enlarged and involved two adjacent teeth. Cystic lesion removal and apicoectomy were performed on the tooth. Histopathological analysis revealed that the lesion was an inflammatory radicular cyst. The patient did not report any discomfort except for moderate swelling 3 days after the surgical procedure. Although the patient had been asymptomatic, close follow-ups are critical to determine if any periapical lesions persist after root canal treatment.
authors.affiliation: Department of Oral and Maxillofacial Surgery, Yonsei University College of Dentistry, Seoul, Korea.
authors.forename: Jong-Ki
authors.identifier: 0000-0002-7381-3972
authors.initials: JK
authors.lastname: Huh
authors.affiliation: Department of Conservative Dentistry, Oral Science Research Center, Yonsei University College of Dentistry, Seoul, Korea.
authors.forename: Dong-Kyu
authors.initials: DK
authors.lastname: Yang
authors.affiliation: Department of Oral and Maxillofacial Radiology, Yonsei University College of Dentistry, Seoul, Korea.
authors.forename: Kug-Jin
authors.initials: KJ
authors.lastname: Jeon
authors.affiliation: Department of Conservative Dentistry, Oral Science Research Center, Yonsei University College of Dentistry, Seoul, Korea.
authors.forename: Su-Jung
authors.identifier: 0000-0001-5795-3919
authors.initials: SJ
authors.lastname: Shin
keywords: Incomplete endodontic treatment; Radicular cyst; Surgical intervention