International Journal of Dentistry / 2012 / Article / Tab 1

Clinical Study

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

Table 1

Table summarizing the variations of roots and the canal anatomy of mandibular molars, as reported by various authors, with the numerous terms that have been used to name these aberrancies.

Root nomenclatureRoot canal nomenclatureReference

M, DB, MD, DLMB, ML, DB, MD, DL, [5]
M, DMB, ML, MD, DB, DL [15]
M, DB, DLMB, ML, DB, DL, MD or third distal [12]
M, DMB, MM, ML, D [16]
M, DMB, MM, ML, DB, DL [13]
M, DM, D [11]
Radix entomolaris [17]
Radix paramolaris [18]
MB, ML, DMB1, MB2, ML1, ML2, DB, D, DL [7]
MB, ML, DB, DLML, MB, DL, MD, DB1, DB2 [10]
M, DB, DL2 mesial, 3 distal [19]
M, D4 mesial canals, 1 distal canal [20]
Mesiocentral canal [21]
M, DMB, ML, 3rd mesial, DB, DL [22]
M, DB, DLMB, ML, 2DB, 1DL [9]

M—mesial, MB—mesiobuccal, ML—mesiolingual, MM—middle mesial, D—distal, DB—distobuccal, DL—distolingual, MD—middle distal.

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