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 newly erupted teeth is MOST likely to exhibit only one pulp horn? 1. #31 2. #28 3. #19 4. #15
Dental AnatomyAnswer: 2
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
Which of the following offers the greatest degree of protection for lips, cheeks, and tongue? 1. Sensory function of the periodontal ligament 2. Adjacent contact of teeth 3. Horizontal overlap (overjet) 4. Deflecting function of ridges
Dental AnatomyAnswer: 3
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 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
The secretory product of odontoblasts is: 1. Topocollagen. 2. Calcium salts. 3. Mantle dentin. 4. Hydroxyapatite
