Microsurgical management of radicular cyst using guided tissue regeneration technique: A case report

Figure 1 Preoperative clinical view. An increase in volume corresponding to the circumscribed, well delimited lesion, between 2.2 and 2.3.

Figure 2 Preoperative periapical radiograph. A: X-ray prior to root canal treatment, 6 years ago; B: Current initial radiograph showing a well-defined and circumscribed radiolucent area at the apex of tooth 22.

Figure 3 Cone-beam computed tomography view. A: Sagittal; B: Axial; C: Coronal.

Figure 4 Three-dimensional model reconstruction. Note the absence of vestibular wall.

Figure 5 Histological examination. A: Hematoxylin and eosin-stained histological sections exhibiting cavity lined by non-keratinized odontogenic epithelium with intracapsular projections beneath [Histological examination (H&E); × 20]; B: Photomicrograph showing intense, mixed inflammatory infiltrates and foamy macrophages in the fibrous capsule (H&E; × 40).

Figure 6 Intraoperative photography. A: Complete enucleation of the lesion; B: Adequate sealing of the canal with biodentine, after apicectomy.

Figure 7 Immediate postoperative periapical radiograph.

Figure 8 Postoperative clinical view. A: Immediate; B: After 10 d; C: After 4 months.

Figure 9 6 months postoperative cone-beam computed tomography view. A: Sagittal; B: Axial; C: Coronal.

Figure 10  Six months postoperative three-dimensional model reconstruction.