Endodontic retreatment of lateral incisor with internal and apical root resorbtion

The patient was referred to our clinic by their general dentist with a diagnosis of a previously treated tooth exhibiting symptomatic apical periodontitis affecting tooth 1.2. Radiographic evaluation revealed evidence of prior root canal treatment, with the following additional findings: Slight extrusion of root canal filling material beyond the apical foramen A localized area of internal resorption in the middle third of the root A well-defined periapical radiolucency consistent with apical pathology The initial endodontic procedure had been performed exclusively with a bioceramic sealer, without incorporation of a core filling material. The patient reported prolonged post-treatment sensitivity, suggesting persistent periapical inflammation. Given the clinical and radiographic findings, a decision was made to perform orthograde endodontic retreatment, with the objective of…