Cervical cross section of maxillary first premolar is_____________?

Related Mcqs:

1. A distinguishing characteristic of a maxillary first premolar that identifies it as right or left is the________________?

   A. Height of the lingual cusp
   B. Mesial inclination of the lingual cusp
   C. Flattened area beneath the contact on the distal surface
   D. Greater length of the mesial cusp ridge on the lingual cusp ( AIPG- 98)

2. 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

3. The contact area on the distal side of a maxillary first premolar is located _____________?

   A. Middle of the middle third with buccal embrasure wider than lingual
   B. Middle of the middle third with lingual embrasure wider than buccal
   C. Litter cervical to the junction of occlusal and middle third of the crown with wide occlusal embrasure
   D. Cervical third with buccal embrasure wider than lingual embrasure

4. The contact area on the distal surface of a maxillary first premolar should be placed in________________?

   A. Middle 3rd of proximal surface with lingual embrasure greater than the facial embrasure
   B. Occlusal 3rd of proximal surface with the lingual embrasure greater than facial embrasure
   C. Occlusal 3rd of proximal surface with facial embrasure greater than lingual embrasure
   D. Middle 3rd with facial embrasure greater than the lingual embrasure

5. In the intercuspal position, the lingual cusp of maxillary 2nd premolar contacts the______________?

   A. Distal fossa of mandibular 2ndpremolar
   B. Mesial fossa of mandibular 1^st molar
   C. Distal marginal ridge of mandibular 2ndmolar
   D. Distal marginal ridge of mandibular 1st premolar

6. The premolar alveoli are what shape in cross section_____________?

   A. Rectangular
   B. Triangular
   C. Kidney shaped
   D. Oval

7. In comparison to maxillary central incisor , Maxillary canine has a height of contour that is______________?

   A. More
   B. Less
   C. Same
   D. Different on different teeth

8. A maxillary right canine may be distinguished from a maxillary left canine because ____________?

   A. The root curves to mesial in the apical 1/3rd
   B. The distal half of canine shows more convexity than the mesical half
   C. Facially the cusp tip is placed distal to Bisecting line
   D. Lingually the cervical line slopes mesially

9. The maxillary lateral incisor is smaller than the maxillary central incisor on all aspects EXCEPT which one of the following______________?

   A. Crown length
   B. Mesiodistal crown width
   C. Faciolingual crown width
   D. Root length

10. Maxillary sinus is described as a four sided pyramid containing base, apex, roof and floor. The apex of maxillary sinus extends________________?

    A. Laterally into zygomatics process of maxilla
    B. Medially into zygomatic process of maxilla
    C. Laterally into lateral nasal wall
    D. Superiorly into floor of orbit