How many pulp horns are usually present in a typical primary mandibular first molar? 1. 1 2. 2 3. 3 4. 4
Dental AnatomyAnswer: 4
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
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
Which of the following maxillary anterior teeth has a mesiodistal crown width that is greater than the incisocervical height? 1. Primary central incisor 2. Primary lateral incisor 3. Central incisor 4. Lateral incisor
Dental AnatomyAnswer: 1
Mandibular premolars differ from maxillary premolars in that, mandibular premolars have all of the following characteristics, except
1. have crowns much more rounded and lingual cusp not so strongly developed.
2. have roots much less flattened mesiodistally and seldom bifurcated
3. they are wider mesiodistally
4. have crowns tilted to the lingual in relation to the long axis of the root
Dental AnatomyAnswer: 3
Considering root morphology, which of the following teeth MOST readily lend themselves to rotation during extraction? 1. Maxillary central incisor 2. Mandibular central incisor 3. Mandibular lateral incisor 4. Mandibular canine
Dental AnatomyAnswer: 1
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