Management of type IIIb dens invaginatus using a combination of root canal treatment, intentional replantation, and surgical therapy: A case report

Figure 3 Intraoral examination after 6 mo and surgical treatment. A: Labial view showing the left lateral incisor with a sinus on the mesiobuccal aspect; B: Radiograph image showing enlargement of a large periapical radiolucency (red arrow) around the mid-root of tooth 22; C: A gutta percha was placed into the sinus of tooth 22; D: Radiograph of tooth 22 with a gutta percha point in the sinus tract; E: Surgical confirmation of the L-shaped pit on the mid-root surface (black arrow); F: Postoperative radiograph.