The permanent mandibular second molar differs from the permanent mandibular first molar in the number of
1. marginal ridges
2. roots
3. cusps
4. lingual grooves
Dental AnatomyAnswer: 3
Which of the following is true regarding maxillary molars?
1. Curve inward more sharply from the medial plane on the buccal than do the mandibular molars
2. By their arrangement and design allow room for the powerful masseter muscle.
3. Are set somewhat lingual to the premolars
4. Show a convergence of their buccal surfaces mesially
