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.Management Sciences
Category: Oral Anatomy
Mesial concavity making the prognosis poor for a furcation involvement is present in_____________?
A. Maxillary canine
B. Maxillary 1st premolar
C. Mandibular 1st premolar
D. Maxillary 2nd premolar
Among the difference between teeth in the decidous and the permanent dentition is that_____________?
A. Buccal surfaces of the permanent molars are flatter
B. Cervical ridges are more pronounced in permanent molars
C. Root trunks of decidous teeth are larger compared with their overall root lengths
D. Crowns of decidous incisors are wider mesiodistally than their cervico incisal lengths
Growth of all permanent teeth except last molars is completed by___________?
A. 6 years
B. 8 years
C. 12 years
D. 17 years
First evidence of calcification of maxillary permanent central incisors occurs at_____________?
A. 3-4 months
B. 10-12 months
C. 2-3 years
D. 3-4 years
Which bifurcation is closet to the cervical line (or) which surface has short root trunk length in a maxillary permanent first molar ?
A. Buccal
B. Mesial
C. Distal
D. None of the above
Which is the predominant factor in the formation of the alveolar process_____________?
A. Eruption of teeth
B. Normal process of growth
C. Lengthening of the condyle
D. Overall growth of the bodies of the maxilla and the mandible
A pronounced developmental groove is usually present on the mesial marginal ridge of a permanent________________?
A. Mandibular third molar
B. Mandibular second premolar
C. Maxillary second molar
D. Maxillary first premolar
The zygomatic bone does not articulate with________________?
A. Frontal bone
B. Maxillary bone
C. Nasal bone
D. Temporal bone
Dentin islands are frequently found in the root canals of which of the following permanent teeth ?
A. Maxillary lateral incisor & mandibular canine
B. Maxillary 2nd premolar & maxillary 1st molar
C. Maxillary 2nd premolar & mandibular canine
D. Maxillary 1st molar & mandibular 2nd premolar
In which of the tooth is the mesiodistal measurements is greater lingually than facially________________?
A. Maxillary 1stpremolar
B. Mandibular 2ndpremolar
C. Mandibular 1st premolar
D. Maxillary 1st molar
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