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.Management Sciences
Category: Oral Anatomy
The geometric outline of the buccal surface of posterior teeth are_______________?
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A. Trapezoidal
B. Rhomboidal
C. Quadrilateral
D. Square
With respect to their permanent successors the sum of the mesidodistal diameters of the first and second decidous molar is generally ____________?
A. Less
B. Greater
C. The same
D. Not related
Which of the following is dental formula of a 9 years old child_____________?
A. 6 EDC21/ 6EDC21
B. 6EDCBA/ 6EDC21
C. EDC21/EDC21
D. 76EDC21/ 7EDC21
The number of point angles in a permanent mandibular first molar is_____________?
A. 6
B. 8
C. 4
D. 10
Rounded protuberances on the incisal edges of newly erupted permanent incisors are____________?
A. Mamelons
B. Tubercles
C. Enamel pits
D. Cingulum
Which of these teeth are highly sturdy and usually the last ones to be lost ?
A. First molar
B. Central incisors
C. Canines
D. Premolars
Which cusp is poorly developed in a permanent maxillary second molar_____________?
A. DB
B. DL
C. MB
D. ML
During the development of a tooth, sound coalescence of the lobes results in_____________?
A. Grooves
B. Fissures
C. Cusps
D. All of the above
The teeth that are retained for the longest period of time are__________________?
A. Maxillary incisors
B. Maxillary canines
C. Mandibular incisors
D. Mandibular canines
E. B & D
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