Pulp chambers and roots canals in decidous teeth______________?

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. Calcification of roots of decidous teeth is completed by_____________?

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

3. Which of the following conditions is characterized by abnormally large pulp chambers ?

   A. Amelogenesis imperfecta
   B. Regional odontodysplasia
   C. Dentinogenesis imperfecta
   D. Dentinal dysplasia type I

4. Absence of pulp chambers is seen in_______________?

   A. Craniofacial dysostosis
   B. Dentinogenesis imperfecta
   C. Amelogenesis imperfecta
   D. None of the above

5. Large pulp chambers are characteristic of all the following conditions except_______________?

   A. Shell teeth
   B. Tauradontisam
   C. Dentin Dysplasia
   D. Dentinogenesis imperfecta

6. A 4-year old child has less number of teeth and lateral incisors with bifurcated roots with two root canals is called_____________?

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

7. Roots of primary and secondary teeth are different in that the primary roots are more divergent and flaring. The other difference _____________?

   A. Primary roots show less a accessory and lateral canals
   B. Primary roots resorb more easily
   C. Primary roots are shorter
   D. None of the above

8. Which of the following is related to an enzyme deficiency and involves periodontal destruction around primary teeth______________?

   A. Hypophosphatasia
   B. Cyclic neutropenia
   C. Juvenile Periodontitis
   D. Papillion Lefevre syndrome

9. A tooth with a 3 month history of pain, which was worse when hot liquid were in mouth. After extraction, the tooth was split open. The pulp chamber was completely filled with pus. A few remnants of pulp tissue were found in apical end. The condition is:__________?

   A. Acute partial pulpits
   B. Acute total pulpits
   C. Suppurative pulpitis
   D. Strangulation of pulp

10. 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