Which deciduous molar has three or four cusps, an oblique ridge, three roots, and often has no distal pit?
A) Maxillary first
B) Maxillary second
C) Mandibular first
D) Mandibular second

Question

Quizplus · Accepted Answer

The maxillary first molar may have three or four cusps and has three roots. If four are present, two are buccal and two are lingual. If three are present, only one is lingual. On the three-cusp form, only a central and a mesial pit (no distal pit) is evident, and an oblique ridge often unites mesiolingual and distofacial cusps.

Which Deciduous Molar Has Three or Four Cusps, an Oblique