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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.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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. Which layer in the bell stage has star shaped cells?






2. What do the odontoblasts do?






3. What is the time span for the cap stage?






4. What is the embryological background for dentin - cementum and alveolar bone?






5. What is tubercle?






6. What hard tissue is innervated by nerves?






7. What are succedaneous teeth?






8. What stage does supernumerary teeth occur?






9. What is dens in dente?






10. What is the time span for the bell stage?






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






12. What is the time span for initiation?






13. What are the etiological factors for supernumerary teeth?






14. The remaining ectomesenchyme surrounding the outside of the enamel organ condenses into what?






15. The stratum intermediate is located inner or outer?






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






17. What are the clinical ramifications of anodontia?






18. When the undifferentiated cells of the dental sac come into contact with the root dentin they differentiate into what?






19. What is the primordium of the tooth?






20. What will the dental papilla eventually form?






21. What are the formative cells for alveolar bone?






22. What are the etiological factors for fusion?






23. Active eruption






24. What are the developmental disturbances of the cap stage?






25. When the inner epithelial epithelium columnar cells elongate and repolarize they differentiate into what?






26. What are the incremental lines for enamel?






27. What cell bodies are involved in the eruption and mineralization process but will be lost after eruption?






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






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

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30. When does dens in dente occur?






31. What are the etiological factors of concrescence?






32. What is the cap in the cap stage?






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






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






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






36. Tooth development






37. What are entrapped cementoblasts called?






38. What is concrescence?






39. What will the dental sac give rise to?






40. What is another name for the dental sac?






41. What are the etiological factors of tubercle?






42. What are the clinical ramifications of dens in dente?






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






44. What happens during the maturation stage?






45. What are the processes involved in the cap stage?






46. What is anodontia?






47. What are the clinical ramifications of concrescence?






48. What happens during initiation?






49. What is the embryological background for enamel?






50. What are the clinical ramifications of enamel pearl?