PMC3970044_01
Bifurcated canal and widening of periodontal ligament space.
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Preoperative radiographs revealed minimal periapical changes and slight widening of periodontal ligament space (Figure 1).
Periapical radiograph showing the working length.
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This radiograph revealed a vague outline in the apical third which indicated canal splitting (Figure 2).
Periapical radiograph showing obturated canals.
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Different horizontally angulated posttreatment radiographs may be taken to confirm the root canal system has been densely obturated, laterally and vertically, to the canal terminus (Figure 3).