Which of the following bicuspid are sents the greatest difficulty, when root canal therapy becomes necessary?
1. Maxillary first
2. Maxillary second
3. Mandibular first
4. Mandibular second
Dental AnatomyAnswer: 1
The last permanent incisor to erupt are most likely the
1. mandibular centrals
2. maxilary laterals
3. maxillary third molars
4. maxillary centrals
Dental AnatomyAnswer: 2
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 newly erupted teeth is MOST likely to exhibit only one pulp horn? 1. #31 2. #28 3. #19 4. #15
Dental AnatomyAnswer: 2
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
Dental AnatomyAnswer: 2
Which of the following devices accurately locates the hinge axis position of the mandible? 1. Kinematic facebow 2. Arbitrary facebow 3. Wax recording device 4. Average value facebow
Dental AnatomyAnswer: 1
The anatomy of the mesial surface of which of the following teeth is MOST likely to cause difficulty in restorative dentistry? 1. Maxillary central incisor 2. Maxillary first premolar 3. Maxillary second premolar 4. Mandibular first molar
Dental AnatomyAnswer: 2
The third molars are usually expected to erupt at
1. 8 - l2 years
2. 17-25 years
3. l6 years
4. 12 - l5 years
