24. From the occlusal view, the permanent mandibular first molar has four major cusps. In increasing size, from small to large, they are
A. DB, DL, ML, MB.
B. D, DB, MB, ML.
C. DL, MB, ML, DB.
D. ML, MB DB, DL.
E. MB, ML, DL, D.
4th EditionBruce Alberts, Dennis Bray, Karen Hopkin
9th EditionJane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
14th EditionEldon D. Enger, Frederick C. Ross