The successors of deciduous teeth develops form_______________?

Related Mcqs:

1. 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

2. 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

3. The first sign of future deciduous teeth as a thickening of oral ectoderm appears at about_____________?

   A. 25th day of Intra uterine life
   B. 34th day of Intra uterine life
   C. 56th day of Intra uterine life
   D. 20 wks of Intra uterine life

4. In a dried skull, holes on the lingual aspects of the deciduous teeth are called_____________?

   A. Volkmann canals
   B. Canals of Hirchfeld and Zuckerland
   C. Herversian canals
   D. Gubernacular canals

5. Premature exfoliation of deciduous teeth is seen in_____________?

   A. Hypophosphatasia
   B. Hypophosphatemia
   C. Hyper phosphtasia
   D. Hyperparathryroidism

6. Blood supply of ameloblast for most of its life cycle comes form_______________?

   A. Dental papilla
   B. Reduced enamel organ
   C. Dental Sac
   D. Dental pulp

7. With respect to their permanent successors the sum of the mesidodistal diameters of the first and second decidous molar is generally ____________?

   A. Less
   B. Greater
   C. The same
   D. Not related

8. A patient shows inability to close the right corner of the mouth is most probably suffering form_______________?

   A. Myasthenia gravis
   B. Bell’s palsy
   C. TMJ dysfunction syndrome
   D. Multiple sclerosis

9. 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

10. 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