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.Management Sciences
Category: Permanent Dentition
Rounded protuberances on the incisal edges of newly erupted permanent incisors are____________?
A. Mamelons
B. Tubercles
C. Enamel pits
D. Cingulum
Which cusp is poorly developed in a permanent maxillary second molar_____________?
A. DB
B. DL
C. MB
D. ML
The root of maxillary lateral incisors if curved is usually in which direction ?
A. Distal
B. Mesial
C. Facial
D. Palatal
Which of the following teeth have more than one occlusal form____________?
A. Maxillary 1st premolar
B. Maxillary 2nd premolar
C. Maxillary 1st molar
D. Mandibular 1stmolar
Which of the following tooth shows largest Mesio- buccal ridge _____________?
A. Maxillary 1st premolar
B. Maxillary 2nd premolar
C. Mandibular 1st molar
D. Mandibular 2nd premolar
Which of the following is true for permanent teeth________________?
A. Maxillary roots are inclined distally where as Mandibular roots are inclined mesially
B. Maxillary molars are buccally inclined and Mandibular molars are inclined lingually
C. Buccal cusps of lower and lingual cusps of upper are the functional cusp
D. All of the above
Crown formation of all permanent teeth except third molars is completed between_____________?
A. Birth to 8 years
B. Birth to 12 years
C. Birth to 6 years
D. 6 years to 12 years
Which of the following is true of permanent first molar’s occlusal surface_____________?
A. Maxillary molar has 2 major fossa, 2 minor fossa, 4 triangular ridges,1 oblique ridge and 5 grooves
B. Mandibular molar has 1 major fossa, 2 minor fossa, 5 triangular ridges and 4 grooves
C. Rhomboidal shape in maxillary molars and hexagonal shape in Mandibular molars
D. All of the above
The shape of the occlusal surface of the permanent maxillary first molar is_______________________?
A. Oval
B. Trapezoidal
C. Triangular
D. Rhomboidal
On which of the following permanent teeth is it most difficult to distinguish between mesial and distal aspects ?
A. Maxillary central incisor
B. Mandibular central incisor
C. Mandibular lateral incisor
D. Mandibular second premolar
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