case_images: PMC6915815_01
case_images: Radiographic examinations of case 1.. (
  A) Preoperative radiograph of right maxillary lateral incisor showing dens invaginatus with periapical area of radiolucency. (
  B) Radiography after endodontic root canals filling. (
  C) 18 months follow-up showing new bone formation in the periapical area.
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case_images: PMC6915815_01_f1000research-8-23324-g0000.jpg
case_images: f1
case_images: Radiographic examination revealed dens invaginatus type III associated with periradicular lesion ( Figure 1A). Tanariman Industrial Ltda, Amazonas, Brazil) and Sealapex sealer cement (SybronEndo Kerr, Romulus Michigan, USA) ( Figure 1B). The access cavity was restored with a light cured composite resin (Z100 - 3M ESPE, Minnesota, USA). Clinical and radiographic controls sessions were carried out at 6, 12 and 18 months after treatment ( Figure 1C).
case_images: Cone beam computed tomography images 6-years after the root canal treatment in case 1.
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case_images: Figure 2 shows cone beam computed tomography 6-years after root canal treatment.
case_images: PMC6915815_02
case_images: Radiographic examinations of case 2.. (
  A) Maxillary lateral incisor showing dens invaginatus and periapical lesion. (
  B) Radiography image after root canal treatment. (
  C) 18 months follow-up radiograph showing complete bone repair.
case_images: f1000research-8-23324-g0002.jpg
case_images: PMC6915815_02_f1000research-8-23324-g0002.jpg
case_images: f3
case_images: Radiographic examination showed the presence of dens invaginatus type II associated with periradicular lesion ( Figure 3A). At this second visit, the canals were obturated with gutta-percha cones and AH Plus cement (Dentsply DeTrey GmbH, Germany) ( Figure 3B) using lateral condensation technique and the tooth was sealed with composite resin in the same session. Clinical and radiographic control of the case was performed at 6, 12 and 18 months, showing complete periapical repair ( Figure 3C).