Autotransplantation of a tooth in a site with a periradicular lesion.

Case Presentation A 19-year-old man presented to the dental office with pain and swelling around tooth 4.6. The tooth had a history of an initial root canal treatment, 5 years ago, due to a diagnosis of symptomatic irreversible pulpitis. The tooth was retreated two times by endodontists, due to continued symptomatic apical periodontitis. Intraoral examination revealed a…