case_images: PMC8314973_01
case_images: Periapical radiograph of the #1.7 showing the presence of a periapical radiolucency.
case_images: DRJ-18-34-g001.jpg
case_images: PMC8314973_01_DRJ-18-34-g001.jpg
case_images: F1
case_images: Periapical radiographs revealed the absence of periapical lesion and a physiological periodontal ligament space [Figure 1].
case_images: Cone-beam computed tomography view of the teeth showing a peculiar anatomy of the mesial root near the distal one and without the presence of the buccal cortical bone in the apical region.
case_images: DRJ-18-34-g002.jpg
case_images: PMC8314973_01_DRJ-18-34-g002.jpg
case_images: F2
case_images: A small periapical radiolucency could be observed at the apex of the distal root [Figure 2].
case_images: Clinical view before apical resection showing overfilling.
case_images: DRJ-18-34-g003.jpg
case_images: PMC8314973_01_DRJ-18-34-g003.jpg
case_images: F3
case_images: After a careful removal of the inflammatory lesion, out of the mesiobuccal root apex, more than 1 mm of the plastic carrier used for the obturation was clearly visible [Figure 3].
case_images: Clinical view after root-end management.
case_images: DRJ-18-34-g004.jpg
case_images: PMC8314973_01_DRJ-18-34-g004.jpg
case_images: F4
case_images: Tulsa Dental, Tulsa, OK, USA) was used as the root-end filling material [Figure 4]. The reflected tissues were then replaced into their original position and sutured with a nonresorbable 4-0 suture (Ethicon Inc., Piscataway, NJ, USA).
case_images: (a) Immediate postoperative periapical radiograph. (b) Periapical radiograph after 1 year showing periapical healing. (c) Periapical radiograph after 4 years confirms periapical healing. w. Further periapical radiograph after 8 years underlined periapical healing.
case_images: DRJ-18-34-g005.jpg
case_images: PMC8314973_01_DRJ-18-34-g005.jpg
case_images: F5
case_images: The 48-month follow-up showed the resolution of spontaneous pain, the absence of other pathological signs and symptoms, and the radiographic resolution of the lesions, confirmed at 8 years follow-up [Figure 5].
case_images: PMC8314973_02
case_images: Preoperative periapical radiograph.
case_images: DRJ-18-34-g006.jpg
case_images: PMC8314973_02_DRJ-18-34-g006.jpg
case_images: F6
case_images: In this case, periapical radiograph and CBCT images showed endodontic overfilling without periapical radiolucency [Figures 6 and 7].
case_images: Cone-beam computed tomography view showing the presence of radio-opaque overfilling.
case_images: DRJ-18-34-g007.jpg
case_images: PMC8314973_02_DRJ-18-34-g007.jpg
case_images: F7
case_images: In this case, periapical radiograph and CBCT images showed endodontic overfilling without periapical radiolucency [Figures 6 and 7].
case_images: Clinical view showing the presence of a capsulated inflammatory reaction.
case_images: DRJ-18-34-g008.jpg
case_images: PMC8314973_02_DRJ-18-34-g008.jpg
case_images: F8
case_images: Following flap elevation, a capsulated lesion was visible in correspondence of the apex of #2.5 [Figure 8].
case_images: Clinical view after the curettage of the lesion showing the evidence of extrusion of the plastic carrier.
case_images: DRJ-18-34-g009.jpg
case_images: PMC8314973_02_DRJ-18-34-g009.jpg
case_images: F9
case_images: After a careful removal of the lesion, it was clearly visible more than 1 mm of the plastic carrier of a carrier-based root canal obturation technique extruded [Figure 9].
case_images: Apical sealing removing the excess of the carrier and burning gutta-percha.
case_images: DRJ-18-34-g010.jpg
case_images: PMC8314973_02_DRJ-18-34-g010.jpg
case_images: F10
case_images: Using a hot burnisher with a small round head, the extraradicular carrier was cut, and the gutta-percha was compacted [Figure 10].
case_images: (a) Periapical radiograph after 1 year showing good periapical healing. (b) Periapical radiograph after 4 years confirms periapical healing.
case_images: DRJ-18-34-g011.jpg
case_images: PMC8314973_02_DRJ-18-34-g011.jpg
case_images: F11