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.Management Sciences
Category: Oral Anatomy
Which of the following features of a permanent maxillary lateral incisor aids in distinguishing it from a mandibular lateral incisor ?
A. Flattened root
B. More pronounced lingual fossa
C. Thinner incisal ridge
D. Sharper proximal incisal angles
IN occlusion, the teeth have______________?
A. Cusp – to – cusp contact
B. Edge- to – edge contact
C. Marginal contact
D. Surface – to- surface contact
The mesial surface of the crown is almost parallel to long axis and the root of a______________?
A. Maxillary 1st premolar
B. Mandibular 2nd premolar
C. Maxillary canine
D. Mandibular canine
Which of the following is true about calcification of teeth ?
A. Calcification of primary teeth is almost complete at time of birth
B. Calcification of all primary teeth and few permanent teeth complete at birth
C. Calcification of all permanent teeth complete at birth
D. Calcification of primary teeth starts around birth
Which of the following has the maximum faciolingual diameter of the crown__________?
A. Decidous maxillary 2nd molar
B. Decidous maxillary 1st molar
C. Decidous mandibular 2nd molar
D. Decidous mandibular 1st molar
Divergence from contact area in proximal surfaces causes embrasures____________?
A. Facially
B. Lingually
C. Cervically
D. Facially, lingually , cervically & occlusally
The side towards which mandible moves is called the_____________?
A. Tooth contact side
B. Balancing side
C. Working side
D. Non- working side
At birth the following teeth are calcifying____________?
A. Primary incisors & first molar
B. Primary canines & second molars
C. Permanent canines
D. Permanent 3rd molar
Facial occlusal line in the maxillary arch is formed by_______________?
A. Stamp cusps
B. Centric holding cusps
C. Supporting cusps
D. Non- supporting cusps
The widest incisal embrasure is normally found between which of the following permanent maxillary teeth _____________?
A. Central incisors
B. Central and lateral incisors
C. Lateral incisor and canine
D. First and 2nd premolar
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