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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 predominate process in the bell stage?






2. What will the dental papilla eventually form?






3. What is dens in dente?






4. What is enamel dysplasia?






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






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






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






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






9. What do the odontoblasts do?






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






11. What wll the inner enamel epithelium differentiate into?






12. What are supernumerary teeth?






13. What are the etiological factors of concrescence?






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






15. What are the formative cells for dentin?






16. When does dens in dente occur?






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






18. What are the clinical ramifications?






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






20. The buds of the dental lamina - together with the surrounding ecto mesenchyme - will develop into what?






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






22. What is the function of the Hertwig's epithelial root sheath?






23. What are the formative cells for cementum?






24. What is concrescence?






25. What is the time span for initiation?






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






27. What are the incremental lines for dentin?






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






29. What happens during the bud stage?






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






31. What is the primordium of the tooth?






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






33. What is fusion?






34. Where is the enamal organ originally derived from?






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






36. What happens during initiation?






37. When does macro/microdontia occur?






38. What are the mature cells for enamel?






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






40. What are the clinical ramifications of fusion?






41. Passive eruption






42. What hard tissue is innervated by nerves?






43. What is cementogenisis?






44. What is anodontia?






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






46. What is the structure responsible for root development?






47. What is the outer portion of the ectoderm in the initiation stage?






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






49. What happens during the apposition stage?






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