Using occlusal morphology as guide , the Mandibular third molar is most similar to______________?

Related Mcqs:

1. The permanent mandibular second molar differs from the permanent mandibular first molar in number of ______________?

   A. Cusps
   B. Roots
   C. Lingual grooves
   D. Marginal ridges

2. When viewed occlusally, a primary mandibular second molar closely resembles which of the following mandibular teeth ?

   A. Permanent second molar
   B. Permanent first molar
   C. Second premolar
   D. Primary first molar

3. 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

4. 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

5. The occlusal surface shape of a 3 cusped mandibular second premolar_________________?

   A. Oval
   B. Elliptical
   C. Square
   D. Tetrahedral

6. The shape of the occlusal surface of the permanent maxillary first molar is_______________________?

   A. Oval
   B. Trapezoidal
   C. Triangular
   D. Rhomboidal

7. The shape of the occlusal surface of the permanent maxillary first molar is___________?

   A. Oval
   B. Trapezoidal
   C. Triangular
   D. Rhomboidal

8. 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

9. An imaginary occlusal curve that contacts the buccal and lingual cusp tips of mandibular buccal teeth is called the _____________?

   A. Catenary curve
   B. Curve of spee
   C. Monson curve
   D. Wilson curve

10. Which four mandibular teeth are so aligned that when viewed from the occlusal, a straight line may be drawn bisecting the contact areas_____________?

    A. 5,6,7,8
    B. 4,5,6,7
    C. 3,4,5,6
    D. 2.3.4.5