case_images: PMC8492246_01
case_images: Periapical radiographs of the maxillary central incisors.
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case_images: fig1
case_images: Clinical and periapical radiographic examinations revealed horizontal root fracture in tooth #8 and external root resorption in teeth #8 and #9 (Figure 1).
case_images: (a) Working length determination for the maxillary central incisors; (b) isolation with clamp, flowable composite, and wedge; (c) apexification with calcium hydroxide and temporary restoration of the access cavity.
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case_images: fig2
case_images: The teeth were then temporarily restored with Cavisol (Golchai, Iran) (Figure 2).
case_images: (a) Periapical radiograph taken at 1 month after the application of powdery calcium hydroxide; (b) periapical radiograph taken after 2 months; (c) periapical radiograph taken after 3 months, showing sound periodontal ligament.
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case_images: fig3
case_images: The teeth were followed-up monthly to accomplish the root canal treatment in case of observing a sound and intact periodontal ligament (PDL) and complete resolution of inflammatory root resorption (Figure 3).
case_images: Periapical radiograph taken after one-session apexification of tooth #9 with MTA plug.
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case_images: fig4
case_images: Next, the coronal part of the canal was filled with gutta-percha and AH-26 sealer using a warm vertical condensation technique (Figure 4).
case_images: (a) Apexification of tooth #8 with MTA plug; (b) warm vertical root filling of teeth #8 and #9; (c) composite restoration of both teeth.
case_images: CRID2021-6309711.005.jpg
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case_images: fig5
case_images: The patient was then referred to the Operative Dentistry Department for restoration of both teeth (Figure 5).
case_images: Discoloration of tooth #9 at the 1-year follow-up.
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case_images: fig6
case_images: The tooth was then temporarily restored with the light-cured glass ionomer (Figure 6).
case_images: Teeth showed optimal function and esthetics at the 2-year follow-up.
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case_images: fig7
case_images: Radiographically, no periapical lesion was seen, and the inflammatory root resorption of both teeth had been completely resolved (Figure 7).