The correct dentition in a 9- years old child is_____________?

Related Mcqs:

1. 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

2. A 4 year old child with one tooth less than the normal dentition shows large tooth with two crowns and two root canals, the anamoly is______________?

   A. Dilaceration
   B. Fusion
   C. Gemination
   D. Concrescence

3. Most common missing tooth in the permanent dentition is_____________?

   A. Maxillary canine
   B. Maxillary first molar
   C. Mandibular second premolar
   D. Mandibular first molar

4. Which statement is correct about decidous dentition?

   A. Calcification of maxillary primary first premolar is completed at birth
   B. Mandibular first molar erupts at one and half years of age
   C. The crowns of primary dentition are more yellowish than permanent
   D. The primary dentition is initiated at 10^th month in uterus

5. A child is brought with drowsiness, decreased deep tendon reflexes and seizures. On examination the child has a blue line on gums. There is history of constipation. Which will be most appropriate drug that should be used in this child ?

   A. EDTA
   B. DMSA
   C. BAL
   D. Penicillamine

6. Dentition of humans is_______________?

   A. Herbivorous
   B. Omnivorous
   C. Carnivorous
   D. None of the above

7. First evidence of initiation of primary dentition is usually around_____________?

   A. 4 months in utere
   B. Birth
   C. 4 months after birth
   D. One year after birth

8. Normal dentition in centric occlusion, opposing contact may be expected at_____________?

   A. Buccals slopes of buccal cusps of maxillary posterior teeth
   B. Buccal slopes of lingual cusps of maxillary posterior teeth
   C. Lingual slopes of lingual cusps of mandibular posterior teeth
   D. All slopes of lingual cusps of mandibular posterior teeth

9. Primary dentition period is______________?

   A. From birth to 11 years
   B. From 6 months to 11 years
   C. From 6 months to 6 years
   D. From 6 years to 11 years

10. Among the difference between teeth in the decidous and the permanent dentition is that_____________?

    A. Buccal surfaces of the permanent molars are flatter
    B. Cervical ridges are more pronounced in permanent molars
    C. Root trunks of decidous teeth are larger compared with their overall root lengths
    D. Crowns of decidous incisors are wider mesiodistally than their cervico incisal lengths