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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. What is the time span for the bud stage?






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






3. What processes are involved in the bell stage?






4. What happens during the cap stage?






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






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






7. What happens during the bell stage?






8. What are the 2 layers in the dental papilla within the concavity of the enamel organ?






9. What is tubercle?






10. What happens during the bud stage?






11. What is the embryological background for enamel?






12. What is amelogenisis?






13. After the enamel apposition ceases the crown area of each primary or permanent tooth what happens?






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






15. What are the incremental lines for cementum and alveolar bone?






16. What hard tissue is can not have tissue formation after eruption?






17. What type of tissue is dentin - cementum - and alveolar bone?






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

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19. Do odontoblasts start their secretion of matrix before the ameloblasts?






20. What are the formative cells for cementum?






21. What happens to the thickened non tooth producing portions of the dental lamina eventually?






22. What processes are involved with the apposition stage?






23. What wll the inner enamel epithelium differentiate into?






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






25. What do the odontoblasts do?






26. What are supernumerary teeth?






27. What are the etiological factors for enamel pearl?






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






29. What are the incremental lines for enamel?






30. What is the cap in the cap stage?






31. What are the etiological factors for anodontia?






32. What will the dental sac give rise to?






33. What are the etiological factors of tubercle?






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






35. What are the clinical ramifications of gemination?

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






37. What is the time span for initiation?






38. What are the etiological factors for dens in dente and gemination?






39. Odontoblasts leave attached cellular extensions in the length of the predentin called what?






40. How is the reduced enamel epithelium created?






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






42. What is macrodontia?






43. What is cementogenisis?






44. What is the primordium of the tooth?






45. What is the process involved in the maturation stage?






46. What is the main process involved in initiation?






47. What is enamel dysplasia?






48. What are the clinical ramifications of micro/macrodontia?






49. What are the incremental lines for dentin?






50. What are the clinical ramifications of fusion?






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