C-MN
maxillary toothrow - from the front of the upper canine to the back of the crown of the last upper molar (the N stands for the number of molars)
(Fig. v).

C-Mn
mandibular toothrow - from the front of the lower canine to the back of the crown of the last lower molar (the n stands for the number of molars)
(Fig. v).

Alternative forms for C-MN : C-M1, C-M2, C-M3, C-Mn.