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Figure 1: Diagnostic radiographic presentation (a) The cross-sectional CBCT image showed that the root canal was seemingly obliterated, and a large periapical lesion was observed. (b) CBCT 3D reconstruction. (c) The periapical radiograph of the related tooth. (d) Buccal fenestration and, (e), (f) large periapical lession including teeth 31, 41 and 42. |
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