Test your basic knowledge |

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. Where is the enamal organ originally derived from?






2. What is the embryological background for enamel?






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






4. What are the etiological factors for enamel pearl?






5. What is cementogenisis?






6. Tooth development






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






8. What happens during the apposition stage?






9. What are the etiological factors for anodontia?






10. What is the main process involved in initiation?






11. What are supernumerary teeth?






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






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






14. What are the etiological factors for supernumerary teeth?






15. What is the cementum matrix called?






16. What stage does supernumerary teeth occur?






17. What is concrescence?






18. What does the cervical loop consist of?






19. Active eruption






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






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






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






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






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






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






26. What are the clinical ramifications of supernumerary teeth?






27. What happens during initiation?






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






29. What is dens in dente?






30. What is amelogenisis?






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






32. What happens during the maturation stage?






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






34. What hard tissue has vascularity?






35. What are the mature cells for dentin?






36. What are the mature cells for cementum?






37. What are the formative cells for cementum?






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






39. What are the major components of the tooth germ?






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






41. What are the etiological factors for micro/macrodontia?






42. What are the mature cells for enamel?






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






44. How is the dentinocemental junction formed?






45. How is the reduced enamel epithelium created?






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






47. Passive eruption






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






49. Where is the dental papilla originally derived from?






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