Which of the following gives the best description of erupted permanent teeth typically seen in a 9- years old______________?

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. Primary teeth differ from permanent teeth in following aspects ?

   A. Thickness of enamel and dentin
   B. Pulp chambers are longer
   C. Roots are flaring
   D. All of the above

3. Rounded protuberances on the incisal edges of newly erupted permanent incisors are____________?

   A. Mamelons
   B. Tubercles
   C. Enamel pits
   D. Cingulum

4. The primary teeth that present the most outstanding morpholgic deviations from permanent teeth are______________?

   A. Central incisors
   B. Mandibular first molar
   C. Mandibular second molar
   D. Canines

5. A 20yr old patient reports with multiple swelling of the jaws. Clinical examination reveals multiple hard swellings involving the jaws and intra orally several missing teeth are noticed. Panoramic radiograph reveals multiple radio opaque lesions in the maxilla and the mandible with multiple impacted teeth and supernumerary teeth indicative of Gardeners syndrome: The above mentioned condition is______________?

   A. Autosomal dominant disease
   B. Autosomal recessive disorder
   C. X-linked disease
   D. A syndrome of unknown cause

6. The deciduous teeth can be differentiated from permanent teeth by_____________?

   A. Enamel prismatic arrangement
   B. Dentinal tubule arrangement
   C. Primary and secondary dentin
   D. Mineral content

7. An abnormal resorption pattern in primary teeth, delayed eruption of permanent teeth and a large tongue are the feature of_____________?

   A. Addison’s disease
   B. Hypothyroidism
   C. Hyperthyroidism
   D. Von-Recklinghausen disease

8. The root completion of permanent teeth is achieved after __________ years o eruption?

   A. 1-1½
   B. 2-3
   C. 3-4
   D. 4-5

9. In how many years, the central incisors erupt as permanent teeth ______________?

   A. 8-9 years
   B. 10-12 years
   C. 6-7 years
   D. 17-25 years

10. Peg-shaped incisors which taper towards the incisal edge are typically seen in all of the following conditions EXCEPT______________?

    A. Congenital syphilis
    B. Rickets
    C. Anhidrotic ectodermal dysplasia
    D. Supernumerary teeth