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.Management Sciences
Category: Oral Anatomy
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
The primary centre of formation of each lobe is present in_____________?
A. Apex of the root
B. Tip of the cusp
C. Centre of the crown
D. Centre of the tooth
The number of line angles a permanent maxillary central incisor is_____________?
A. Two
B. Four
C. Six
D. Eight
Which of the following has a nonfunctional cusp ?
A. Mandibular canine
B. Maxillary second premolar
C. Mandibular first premolar
D. None of the above
Which of the portions of the intra articular disc is the thinnest ?
A. Anterior
B. Intermediate
C. Posterior
D. retrodiscal
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