International Journal of Dentistry / 2012 / Article / Fig 5

Clinical Study

A New Anatomically Based Nomenclature for the Roots and Root Canals—Part 2: Mandibular Molars

Figure 5

Clinical and radiographic images of anatomic aberrations demonstrating the use of the proposed nomenclature. (a, b) Pulp chamber floor showing an additional distolingual root and canal (DLR) and the distobuccal canal (DBR) in the distobuccal root; MB—mesiobuccal, ML—mesiolingual. (c) C-shaped centrally located (Cn) canal extending from the mesiobuccal (MB) to the distobuccal (DB) portion of the tooth; within a single root (d). (e, f) Three canals in the mesial root of a mandibular first molar; MM—middle mesial, D—distal.

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