International Journal of Dentistry / 2012 / Article / Fig 1

Clinical Study

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

Figure 1

Diagrammatic representation of the pulpal floor in mandibular molars, illustrating the names of different canal configurations, according to the proposed nomenclature. The principle canals are named in accordance with the traditional approach in (a), as MB—mesiobuccal, ML—mesiolingual, and D—distal, or in (b) as MB—mesiobuccal, ML—mesiolingual, DB—distobuccal, and DL—distolingual. (c) An additional canal located in the distal root between the two principle canals is named as middle distal, MD. (d), Two additional canals located in the distal root are named as linguo-distobuccal (L-DB) and bucco-distolingual (B-DL).

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