A) Preoperative periapical radiograph of tooth #21. Note the

Dental imaging—2D to 3D: a historic, current, and future view of projection radiography - Todd - 2014 - Endodontic Topics - Wiley Online Library

Figure 1 from Regenerative Endodontic Treatment: Report of Two Cases with Different Clinical Management and Outcomes

Retreatment of failed regenerative endodontic of orthodontically treated immature permanent maxillary central incisor: a case report

The Impact of Cone Beam Computed Tomography in Nonsurgical and Surgical Treatment Planning

The Impact of Cone Beam Computed Tomography in Nonsurgical and Surgical Treatment Planning

Periapical radiograph

Treatment outcomes of regenerative endodontic procedures in nonvital mature permanent teeth: a retrospective study

Clinical and radiographic outcomes of regenerative endodontic procedures for traumatized permanent necrotic teeth with apical periodontitis and external root resorption - Lu - 2023 - International Endodontic Journal - Wiley Online Library

A) Preoperative radiograph on tooth #21 with extensive resorption;

Endodontic management of central incisor associated with large periapical lesion and fused supernumerary root: a conservative approach