Second Mesiobuccal Canal Evaluation Features with Cone-Beam Computed Tomography

Figure 1

Roots of the maxillary first molar. The same tooth and slice can be seen in every picture. The red arrow shows MB2. (a) 0.5 mm slice thickness. (b) 1 mm slice thickness. (c) 3 mm slice thickness. MB2 looks obliterated, and it is not visualized. (d) 10 mm slice thickness. None of the canals is visualized.

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