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.Management Sciences
Category: Oral Anatomy
Fourth canal is present in_____________?
A. Mesiobuccal roots of maxillary first molar
B. Distal root of mandibular first molar
C. Both of the above
D. None of the above
If a mandibular canine has bifurcated roots, they are most commonly placed_______________?
A. Mesial and distal
B. Facial and lingual
C. Mesiobuccal and distobuccal
D. Mesiolingual and distolingual
Which of the following moment are performed by a non- working condyle ?
A. Straightward
B. Down wards forwards and lateral
C. Down wards forwards and medial
D. Down wards Back wards and medial
Distal contact of upper first premolar is________________?
A. Lower than mesial contact area
B. Little cervical to junction of occlusal and middle third of crown
C. Higher than mesial contact area
D. A and B
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
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