PMC4293586_01
CBCT image showing the extent of internal inflammatory root resorption in the maxillary left central incisor
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PMC4293586_01_iej-10-075-g001.jpg
F1
Also CBCT was indicated for evaluation of the extents of the intracanal lesion and also the periradicular lucency (Figure 1), the latter suggesting the communication of the inner pulpal space with the outer periradicular area through a perforation zone.
PMC4293586_02
A) Endodontic treatment and working length determination; B) Post-operative radiography, the root canal is filled with CEM cement; C) Six-month recall; D) One-year recall; the tooth is absolutely functional and symptom-free
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PMC4293586_02_iej-10-075-g002.jpg
F2
After determination of an estimated working length (WL) (Figure 2A), the canal space was filled with 5.25% NaOCl and was prepared with RaCe rotary instruments (FKG Dentaire, La-Chaux-de Fonds, Switzerland) up to 50/0.04 as the master apical file. CEM cement (BioniqueDent, Tehran, Iran) mixed according to user's instruction. Confirmation radiography was taken (Figure 2B) and after permanent crown restoration the patient was put on a scheduled follow-up. After six (Figure 2C) and 12 months (Figure 2D), the patient was symptom-free and the tooth was in function.