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.Management Sciences
Category: Oral Anatomy
Facial occlusal line in the maxillary arch is formed by_______________?
A. Stamp cusps
B. Centric holding cusps
C. Supporting cusps
D. Non- supporting cusps
The widest incisal embrasure is normally found between which of the following permanent maxillary teeth _____________?
A. Central incisors
B. Central and lateral incisors
C. Lateral incisor and canine
D. First and 2nd premolar
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
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