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Dentistry Tooth Development And Eruption

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • 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 cap stage?






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






3. When does the tooth bud become a tooth germ?






4. What will the inner cells of the dental lamina differentiates into?






5. What is the embryological background for enamel?






6. What are the incremental lines for dentin?






7. What is the primordium of the tooth?






8. What are the clinical ramifications of enamel pearl?






9. What is macrodontia?






10. What do the odontoblasts do?






11. What are the formative cells for cementum?






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






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






14. Where is the enamal organ originally derived from?






15. What are the mature cells for cementum?






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






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






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






19. The stratum intermediate is located inner or outer?






20. Active eruption






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






22. When does macro/microdontia occur?






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






24. What stage does the dental tissues subsequently fully mineralize






25. What are the formative cells for dentin?






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

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27. What are the etiological factors for anodontia?






28. What hard tissue has vascularity?






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






30. Where is the dental sac originally derived from?






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






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






33. What are the mature cells for enamel?






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






35. Where is the dental papilla originally derived from?






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






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






38. Which teeth are nonsuccedaneous?






39. What kind of cells occur in the outer enamel epithelium in the bell stage?






40. What is an enamel pearl?






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






42. What is the cementum matrix called?






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






44. What are the formative cells for enamel?






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






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






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






48. What are the clinical ramifications?






49. What does the cervical loop consist of?






50. What is the time span for the bud stage?