The third molars are usually expected to erupt at
1. 8 - l2 years
2. 17-25 years
3. l6 years
4. 12 - l5 years
Dental AnatomyAnswer: 2
Which of the following is the prime muscle in retracting and elevating the mandible? 1. Masseter 2. Digastric 3. Mylohyoid 4. Temporalis
AnatomyAnswer: 4
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 is the first formed portion of the dentin? 1. Circumpulpal 2. Intertubular 3. Transparent 4. Mantle
Dental AnatomyAnswer: 4
Uppermost structure seen at the hilum of the left lung is:
1. Pulmonary artery
2. Pulmonary vein
3. Bronchus
4. Bronchial artery
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
Which of the following represents the posterior boundary of the oral cavity and the anterior boundary of the fauces? 1. Tonsil 2. Soft palate 3.Palatoglossal arch 4. Palatopharyngeal arch