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.Management Sciences
Category: Oral Anatomy
In the triangle formed by the projection of the orifices of the canals of a maxillary molar, the_________________?
A. Line connecting mesial with distal is longest
B. Line connecting mesial with lingual is longest
C. Line connecting distal with lingual is longest
D. Angle at the mesio facial canal is obtuse
The lingual cusp of lower first premolar is compared to the development of____________?
A. Cusp of carabelli
B. Distolingual cusp of molars
C. Lingual cusp of second premolar
D. Cingulam of canine
Kalu, a 6- years – old child, received tetracycline. Noticeable discoloration will be seen in______________?
A. Premolars, incisors and 1st molars
B. Canine and 2nd molars
C. Canines, premolars and2nd molars
D. Incisors and 1st molars
The maxillary teeth which have single antagonist are__________?
A. Lateral incisors
B. Permanent canines
C. Permanent central incisors
D. Third molars
Largest embrasure lies between______________?
A. Maxillary central incisors
B. Maxillary central and lateral incisor
C. Maxillary canine and first premolar
D. Maxillary lateral incisor and canine
Maxillary first molar has how many roots ?
A. 1 facial and 2 lingual
B. 1 lingual and 2 facial
C. 1 mesial and 2 buccal
D. 1 mesial and 1 distal
The most common sequence of eruption of the permanent maxillary teeth in children is_______________?
A. 1-6-2-3-4-7-5-8
B. 2-3-1-6-7-5-4-8
C. 6-1-2-4-3-5-7-8
D. 6-1-2-3-4-5-7-8
The curvature of the cervical line of most teeth will be approximately____________?
A. 2 mm less distally than mesially
B. 1 mm less distally than mesially
C. 2 mm less lingually than buccally
D. 1 mm less lingually than buccally
Ratio of mesiodistal width to height of crown of maxillary canine is______________?
A. 6:10
B. 8:10
C. 6:8
D. 7:10
The process of exfolitation of primary teeth is between_____________?
A. Seventh and eight years
B. Seventh and ninth years
C. Seventh and tenth years
D. Seventh and Twelfth years
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