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
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 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
Each of the following PDL fiber groups is found in association with a central incisor EXCEPT one. Which one is this EXCEPTION? 1. Apical 2. Interradicular 3. Horizontal 4. Alveolar crest
Dental AnatomyAnswer: 2
Which of the following are the tissues immediately adjacent to the periodontal ligament? 1. Dentin and lamina dura 2. Cementum and alveolar bone 3. Gingiva and alveolar plate 4. Bundle bone and intermediate plexus
Dental AnatomyAnswer: 2
The secretory product of odontoblasts is: 1. Topocollagen. 2. Calcium salts. 3. Mantle dentin. 4. Hydroxyapatite
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
