Endodontic surgery on a maxillary central incisor via a lingual approach. Report of a case

This article reports the case of a maxillary right central incisor with a periapical lesion and an associated periodic palatal swelling of more than 12 years' duration, during nonsurgical root canal treatment, the root canal exhibited persistent suppuration. Upon palpation, the buccal plate of bone appeared to be intact. The lesion appeared to be associated with the palatal surface. A palatal surgical approach was used in an attempt to prevent a through-and-through defect.