PMC3570966_01
A) Initial radiograph; B) Access cavity; C) Working Length determination radiograph; D) Emphasizing working length by gutta percha cone; E) Final obturation; F) six months postoperative radiograph
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Radiographic image (periapical) revealed radiolucency around palatal apex; moreover, there was the opacity in the furcation area which was detected as the enamel pearl (Figure 1A). So the access cavity was further prepared into a square shape (Figure 1B). Working length was determined with apex locators ROOT ZX (Morita, Kyoto, Japan) and confirmed radiographically (Figure 1C). Before root canal obturation, the working length was radiographically confirmed with gutta-percha (Figure 1D). Ltd, Cheongju city, Chungbuk, Korea) and AH26 (Dentsply, DeTrey, Konstanz, Germany) sealer using lateral condensation technique (Figure 1E). After six months, patient had no clinical symptoms and complete clinical and radiographic resolution was seen (Figure 1F).