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.Management Sciences
Category: Oral Anatomy
How many roots does a primary maxillary first molar have ___________?
A. One
B. Two
C. Three
D. Four
Oblique ridge in maxillary first molar joins which of the following cusps____________________?
A. DL and DB
B. ML and MB
C. ML and DB
D. DL and MB
The permanent mandibular second molar differs from the permanent mandibular first molar in number of ______________?
A. Cusps
B. Roots
C. Lingual grooves
D. Marginal ridges
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
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