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Dentistry Tooth Development And Eruption

Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What will the dental papilla eventually form?






2. What happens during the appositional stage?






3. What layer serves as protection for the enamel organ?






4. What are the development disturbances of the apposition and maturation stages?






5. What kind of cells occur in the inner enamel epithelium?






6. What are the etiological factors for anodontia?






7. Where is the dental sac originally derived from?






8. When does the process of root development take place?






9. What happens during initiation?






10. What are the clinical ramifications of enamel dysplasia?






11. What causes the induction of the preameloblasts to differentiate into ameloblasts?






12. What stage does the dental tissues subsequently fully mineralize






13. What are the etiological factors of concrescence?






14. What are the major components of the tooth germ?






15. The oral epithelium is induced by the ectomesenchyme to produce what?






16. What are the etiological factors for fusion?






17. In the cap stage the tooth bud does not grow - what happens?






18. What wll the inner enamel epithelium differentiate into?






19. What is microdontia?






20. What processes are involved in the bell stage?






21. What conveys communications between the cells of the enamel organ - the dental papilla - and the dental sac allowing tissue interactions?






22. What else undergoes proliferation in the bud stage besides the dental lamina?






23. What is the main process involved in the bud stage?






24. What are the mature cells for dentin?






25. What are the clinical ramifications of gemination?

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26. What is tubercle?






27. What kind of cells reside in the stratum intermediate?






28. Active eruption






29. What stage does supernumerary teeth occur?






30. What is the embryological background for enamel?






31. What hard tissue is innervated by nerves?






32. What are the mature cells for alveolar bone?






33. What are the formative cells for cementum?






34. What type of tissue is enamel?






35. The stellate reticulum is located inner or outer?






36. What are the formative cells for enamel?






37. What is the important acelluar structure that seperates the oral epithelium and the ectomesenchyme?






38. What is the predominate process in the bell stage?






39. What happens during the bud stage?






40. When root formation is completed the portion of the basement membrane disintegrates its cells may become what?






41. Where is the enamel matrix secreted from by the ameloblasts?

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42. The stratum intermediate is located inner or outer?






43. The preameloblasts induce dental papilla cells to differentiate into what?






44. What are supernumerary teeth?






45. What is the inner mass in the cap stage that forms a concavity of the enamel organ?






46. What do the odontoblasts do?






47. What happens during the maturation stage?






48. Where does the primordium of the permanent dentition develop?






49. What is the cementum matrix called?






50. What are succedaneous teeth?






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