Differences between permanent premolars l Oral morphology and anatomy MCQs for dental students
MCQ on comparison and differences in permanent premolars for dental morphology
1. Which of the following statements is true regarding the premolar teeth?
a. Maxillary 1st and 2nd premolars are similar in form
b. Mandibular 1st and 2nd premolars are similar in form
c. Mandibular 1st and 2nd premolars are widely different in form
d. Both a and c
2. The distal cusp ridge is longer than the mesial cusp ridge in all the premolars except:
a. Maxillary 1st premolar
b. Maxillary 2nd premolar
c. Mandibular 1st premolar
d. Mandibular 2nd premolar
3. From proximal aspect, the maxillary premolar crowns appear:
a. Triangular
b. Trapezoidal
c. Rhomboidal
d. Ovoid
4. From proximal aspect, the mandibular premolar crowns appear:
a. Triangular
b. Trapezoidal
c. Rhomboidal
d. Ovoid
5. When viewed proximally, the maxillary premolar crowns are:
a. Upright on the root base
b. Tilted buccally on the root base
c. Tilted lingually on the root base
d. Tilted mesially on the root base
6. When viewed proximally, mandibular premolar crowns are:
a. Upright on the root base
b. Tilted buccally on the root base
c. Tilted lingually on the root base
d. Tilted distally on the root base
7. Compared to maxillary premolars, the buccal and lingual cusp tips of mandibular premolars are:
a. Wide apart
b. More nearer
c. Blunt/flattened
d. None of above
8. When viewed proximally, buccal cusp tip of maxillary premolars is located:
a. Buccal to the vertical root axis
b. Lingual to the vertical root axis
c. On line with vertical root axis
d. Both b and c
9. When viewed proximally, the buccal cusp tip of mandibular premolars is:
a. Buccal to the vertical root axis
b. Lingual to the vertical root axis
c. On line with the vertical root axis
d. Distally to the vertical root axis
10. When viewed proximally, compared to maxillary premolars the mandibular premolars have:
a. Buccal and lingual crown outlines well within the confines of root base
b. Buccal crown outlines out of the confines of root base
c. Lingual crown outline out of the confines of root base
d. Buccal and lingual crown outlines out of the confines of root base
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