PMC3535821_01
Preoperative photograph; arrows showing the crack line on the facial surface of left maxillary central incisor.
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fig1
After clinical examination, a longitudinal fracture on the facial surface of the tooth was observed; also a solitary pocketwith a depth of 8 mm was detected in the facial region (Figure 1).
Preoperative radiograph; root canal of the left maxillary central incisor has been over-prepared and periapical radiolucency is observed at the apex of the tooth.
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In addition, periapical radiolucency was observed at the apex of the left maxillary incisor (Figure 2).
Arrows showing the fracture line on the buccal surface of the root.
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Tehran, Iran). The tooth extraction was gently performed using forceps with no intraoperative complications; subsequently tooth structure was carefully examined and it was found that fracture line has been originated from the apex and propagated coronally (Figure 3).
Arrows showing the shallow preparation of the fracture line.
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A shallow preparation of the fracture line, root end resection, and removal of the resorptive defect of root's apical portion were extraorally carried out (Figure 4).
The prepared fracture line was sealed with dual-curing resincement.
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Osaka, Japan); minimal cement was applied to avoid covering the periodontal ligament (Figure 5); the resin was cured for 20 seconds with a light-curing unit (Degulux; Degussa AG, Frankfurt, Germany).
The tooth was immobilized after replantation.
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After replantation, the tooth was immobilized with a semirigid splint for 10 days (Figure 6).
Photograph at fifth week after replantation; right and left maxillary incisors were restored.
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Five weeks after replantation, the tooth was temporally restored with a fiber post-retained composite restoration (Figure 7).
12 months after intentional replantation; periapical radiolucency was noticeably reduced.
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fig8
Furthermore, periapical radiolucency was noticeably reduced (Figure 8). 