How many cusps does the crown of the maxillary first primary molar have ?

Related Mcqs:

1. The maxillary molar crown of an early fossil primate featured a trigone made of three main cusps, these cusps were_____________?

   A. Distrobuccal, distolingual and Mesiolingual
   B. Distolingual, Mesiobuccal, and Linguo buccal
   C. Mesiobuccal, Distobuccal and Mesiolingual
   D. Mesiolingual, Mesiobuccal and distolingual

2. 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

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. How many roots does a primary maxillary first molar have ___________?

   A. One
   B. Two
   C. Three
   D. Four

5. 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

6. In an ideal occlustion buccal cusps of maxillary teeth, occlude with______________?

   A. Fossa and rdges
   B. Grooves and embrasures
   C. Lingual cusps of mandibular teeth
   D. Occlusal pits and fissures of mandibular teeth

7. Maxillary facial and mandibular lingual cusps require sufficient occclusal length and horizontal overlap for_____________?

   A. Esthetics
   B. Centric stability
   C. Chewing efficiency
   D. Soft tissue protection

8. 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

9. If a permanent first molar is lost, the permanent second molar drifts to the______________?

   A. Buccal side
   B. Distal side
   C. Mesial side
   D. Lingual side

10. Maxillary first molar has how many roots ?

    A. 1 facial and 2 lingual
    B. 1 lingual and 2 facial
    C. 1 mesial and 2 buccal
    D. 1 mesial and 1 distal