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






2. What is the predominate process of the cap stage?






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






4. What are the clinical ramifications of gemination?

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5. What are the resorptive cells for enamel - dentin - cementum and alveolar bone?






6. What is the main process involved in initiation?






7. What are the etiological factors for fusion?






8. The stage named for extensive proliferation of the dental lamina into oval masses penetrating into the ectomesenchyme?






9. What hard tissue is innervated by nerves?






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






11. What are the formative cells for cementum?






12. What is enamel dysplasia?






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






14. What are the formative cells for dentin?






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






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






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






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






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






20. What is concrescence?






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






22. Tooth development






23. What is the site for the future dentioenamel junction?






24. What is amelogenisis?






25. What is the time span for initiation?






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






27. What do the odontoblasts do?






28. What processes are involved with the apposition stage?






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






30. What is matrix?






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






32. What are supernumerary teeth?






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






34. Where is the enamal organ originally derived from?






35. What happens during the bell stage?






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






37. How many types of cells are found in the enamel organ in the bell stage?






38. What stage does supernumerary teeth occur?






39. What happens during the apposition stage?






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






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






42. What is the embryological background for enamel?






43. What is macrodontia?






44. What are entrapped cementoblasts called?






45. What are the etiological factors for supernumerary teeth?






46. What is gemination?






47. Where is the dental papilla originally derived from?






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






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






50. What are the clinical ramifications of anodontia?