Growth of all permanent teeth except last molars is completed by___________?

Related Mcqs:

1. Crown formation of all permanent teeth except third molars is completed between_____________?

   A. Birth to 8 years
   B. Birth to 12 years
   C. Birth to 6 years
   D. 6 years to 12 years

2. Calcification of all teeth except last molars are completed by____________?

   A. 2 years
   B. 4 years
   C. 6 years
   D. 8 years

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. First permanent molars begin to calcify at ______________?

   A. 6 months of intra utrerine life
   B. At birth
   C. Before decidous incisors
   D. About 1 year after birth

5. According to Schour & Massler the crown completion of both permanent maxillary and mandibular first molars is________________?

   A. 1½ 2 years
   B. 2½ – 3 years
   C. 3-4 years
   D. 3-5 years

6. 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

7. 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

8. 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

9. 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

10. 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