Internal root resorption

A 35-year-old female presented with a dislodged crown on the upper left central incisor. She was dissatisfied with the esthetics of the existing crown and requested a replacement. Prior to proceeding with the new crown, we assessed the pulp response which showed a positive response to sensibility test and percussion testing revealed no tenderness . Upon further inquiry, the patient reported a history of dental trauma three years ago . So Radiographic examination was done and revealed a well-defined radiolucency in the middle third of tooth 21, which suggesting internal root resorption. A mesial shift radiograph was taken to confirm the diagnosis. The lesion remained centered, indicating internal rather than external resorption . Under rubber dam isolation, access cavity preparation…