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.Management Sciences
Category: Oral Anatomy
The root trunk of permanent mandibular first molar buccally is______________?
A. Equal is length to the mesial bifurcation of the maxillary first molar
B. Equal is length to the buccal bifurcation of the maxillary first molar
C. equal in length to the crown
D. None of the above
The permanent anterior tooth, which is most 20. Commonly atypical , is_____________?
A. Maxillary central incisor
B. Maxillary lateral incisor
C. Mandibular central incisor
D. Mandibular 1st premolar
In the mandibular arch, in which tooth maximum lingual inclination is present_______________?
A. 1st premolar
B. 3rd molar
C. Lateral incisors
D. Canine
Mesiodistal width is more than cervico- incisal length of crown in_____________?
A. Permanent central incisors
B. Decidous maxillary central incisors
C. Permanent maxillary canines
D. Permanent mandibular lateral incisors
What is the amount of time required by erupting premolar to move through 1 mm of bone as measured on a bite – wing radigraph ?
A. 3-4 months
B. 4-5 months
C. 5-6 months
D. 6-7 months
Mesial contact area of the permanent canine is at the______________?
A. Middle third
B. Junction of the incisal and middle thirds
C. Junction of the middle and cedrvical thirds
D. None of the above
In maxillary 1st permanent molar, the 2 obtuse angles are________________?
A. Mesiolingual and mesiofacial
B. Mesiofacial and distolingual
C. Distofacial and mesiolingual
D. Distofacial and mesiofacial
The largest permanent tooth in the mouth usually is_____________?
A. Maxillary canine
B. Mandibular canine
C. Mandibular first molar
D. Maxillary first molar
Longest tooth of the maxillary arch is_____________?
A. Permanent incisor
B. First premolar
C. Permanent canine
D. Decidous incisor
Maximum contact between occlusal surfaces, of maxillary and mandibular teeth occur during________________?
A. Centric occlusion
B. Rest position
C. Protrusive contacts
D. Laterotrusive contacts
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