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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 type of tissue is enamel?






2. Which teeth are nonsuccedaneous?






3. Where is the enamal organ originally derived from?






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






5. Where is the dental papilla originally derived from?






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






7. What is macrodontia?






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






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






10. What is fusion?






11. What are the clinical ramifications of enamel dysplasia?






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






13. What happens during the cap stage?






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






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






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






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






18. What are the incremental lines for enamel?






19. What is the structure responsible for root development?






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






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






22. What is concrescence?






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






24. Passive eruption






25. What is cementogenisis?






26. What processes are involved with the apposition stage?






27. What hard tissue is innervated by nerves?






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






29. What is microdontia?






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






31. What are the etiological factors for anodontia?






32. What is another name for the dental sac?






33. What are the formative cells for dentin?






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






35. What stage does anodontia occur?






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






37. What are the formative cells for enamel?






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






39. What are the formative cells for alveolar bone?






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






41. What will the dental sac give rise to?






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






43. What happens during the maturation stage?






44. Tooth development






45. What are the clinical ramifications of anodontia?






46. What are succedaneous teeth?






47. Active eruption






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






49. What happens during the apposition stage?






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