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.Management Sciences
Category: Oral Anatomy
All of the following muscles are elevators of the mandible except______________?
A. Digastric
B. Massetor
C. Medial pterygoid
D. Temporalis
The usual order of appearance of the primary teeth in the mouth is____________?
A. Central incisors, first molars, lateral incisors, second molars, canines
B. Central incisors, lateral incisors, canines, second molars, first molars
C. Central incisors, lateral incisors, first molars canines, second molars
D. Central incisors, lateral incisors, first molars second molars, canines
Difference between mandibular and maxillary premolars is that in the mandibular premolars ?
A. The buccal and lingual cusps are more prominent
B. The lingual cusp is sharper and longer
C. The lingual surface rounded and less developed
D. The buccal surface is rounded and less developed
Generally in majority of children, the sequence of eruption of permanent teeth in mandible is____________?
A. 1-6-2-3-5-4-7-8
B. 6-1-2-4-5-3-7-8
C. 6-1-2-3-4-5-7-8
D. 6-1-2-4-3-5-7-8
What is the functional form of anterior teeth from the mesial or the distal aspect ?
A. Rhomboidal
B. Trapezoidal
C. Elliptical
D. Wedge- shaped
The biting forces at molar region during mastication is_______________?
A. 20 to 55 pounds
B. 30 to 75 pounds
C. 50 to 75 pounds
D. 90 to 200 pounds
Which anterior teeth have both mesial and distal contact areas of at the incisal third____________?
A. Mandibular centrals
B. Mandibular laterals
C. Both A and B
D. None of the above
The first macroscopic indication of morphologic development of primary incisors approximately at____________?
A. 11 weeks in utero
B. 14 weeks in utero
C. 16 weeks in utero
D. 6 weeks in utero
When a molar has no opposing tooth, it can become_______________?
A. Extruded
B. Intruded
C. Protruded
D. Retruded
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