case_images: PMC3220070_01
case_images: Radiograph of 21 (tooth no. 9) revealing an incomplete endodontic procedure with calcium hydroxide powder dressing and deteriorated interim restoration of the access cavity
case_images: CCD-1-51-g001.jpg
case_images: PMC3220070_01_CCD-1-51-g001.jpg
case_images: F1
case_images: Radiographic examination revealed radiolucency in the periradicular area of the upper left central incisor [Figure 1].
case_images: PMC3220070_02
case_images: Root canal of 21 (tooth no. 9) was instrumented beyond the apex with the intention of disrupting the epithelium/granulation tissue
case_images: CCD-1-51-g002.jpg
case_images: PMC3220070_02_CCD-1-51-g002.jpg
case_images: F2
case_images: The root canal was irrigated with a 5.25% sodium hypochlorite solution and the final irrigation was done with a normal saline solution [Figure 2].
case_images: Radiograph of 21 (tooth no. 9) showing root canal disinfected with calcium hydroxide dressing
case_images: CCD-1-51-g003.jpg
case_images: PMC3220070_02_CCD-1-51-g003.jpg
case_images: F3
case_images: The access cavity was sealed with IRM, analgesics and antibiotics were prescribed, and the patient was recalled in 1 week [Figure 3].
case_images: MTA plug with double the recommended thickness in place after the working length
case_images: CCD-1-51-g004.jpg
case_images: PMC3220070_02_CCD-1-51-g004.jpg
case_images: F4
case_images: A moist cotton pellet was inserted into the canal to aid in setting and was left undisturbed for 15 min according to the manufacturer's instructions [Figure 4].
case_images: PMC3220070_03
case_images: Immediate postoperative radiograph showing the MTA plug with gutta-percha obturation of the coronal radicular pulp space
case_images: CCD-1-51-g005.jpg
case_images: PMC3220070_03_CCD-1-51-g005.jpg
case_images: F5
case_images: The access cavity was restored with glass ionomer cement [Figure 5].
case_images: Four-month postoperative radiograph indicating the resolution of the apical infection and rarefaction of the periapical area suggestive of bone healing
case_images: CCD-1-51-g006.jpg
case_images: PMC3220070_03_CCD-1-51-g006.jpg
case_images: F6
case_images: A follow-up radiograph after 4 months showed that the lesion had begun to resolve [Figure 6].
case_images: Showing a preoperative and postoperative comparison of clinical appearance
case_images: CCD-1-51-g007.jpg
case_images: PMC3220070_03_CCD-1-51-g007.jpg
case_images: F7
case_images: The preoperative and postoperative appraisal is evident from the clinical picture [Figure 7].