PMC4012107_01
Pre-operative radiograph
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F1
Radiographic examination [Figure 1] revealed carious lesion on mesial aspect of the suspected tooth involving the pulp.
Modified access cavity showing two palatal orifices
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F2
The access cavity outline was extended distally and changed from triangular to a more trapezoidal form and the fourth canal orifice was located [Figure 2].
Working length X-ray
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F3
The working length was confirmed with a radiograph [Figure 3].
Mastercone X-ray
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F4
Following the shaping procedure the mastercone were selected to the corresponding waveOne file and placed in the canals and a radiograph was taken to confirm the extent of the cones [Figure 4].
Obturation X-ray
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F5
AH-Plus (De Trey-Dentsply, Konstanz, Germany) as the sealer. A post obturation radiograph was taken to confirm the quality of obturation [Figure 5].