The two major fossa of permanent maxillary first molar________________?

Related Mcqs:

1. Lateral part of middle cranial fossa and posterior cranial fossa are divided by ______________?

   A. Petrous temporal bone
   B. Croista galli
   C. Transverse groove
   D. Sphenoid bone

2. In normal occlusion , with which grooves / surface of the permanent mandibular first molar does the mesiobuccal cusp of the permanent maxillary first molar occlude______________?

   A. Distobuccal groove
   B. Mesial surface
   C. Mesiobuccal surface
   D. Transverse groove

3. While charting the dentition of a child, the pedodontist finds that the following teeth are present in all the four quadrants; permanent central incisor , permanent lateral incisor , decidous cuspid , decidous first molar, decidous 2nd molar and permanent 1st molar. The eruptive pattern may be considered most nearly normal for a child aged_____________?

   A. 3-6 years
   B. 7-10 years
   C. 11-14 years
   D. 15- 18 years

4. 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

5. 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

6. 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

7. 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

8. Cusp of carbelli is present on ________ surface of the permanent maxillary molar ?

   A. Mesial surface
   B. Palatal surface
   C. Buccal surface
   D. Mesial half of the palatal surface

9. Acute angled cusps in permanent maxillary first molar are_____________?

   A. DB and ML
   B. MB and DL
   C. MB and DB
   D. ML and DL

10. In maxillary 1st permanent molar, the 2 obtuse angles are________________?

    A. Mesiolingual and mesiofacial
    B. Mesiofacial and distolingual
    C. Distofacial and mesiolingual
    D. Distofacial and mesiofacial