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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 are the clinical ramifications of micro/macrodontia?






2. What is the main process involved in initiation?






3. What is the cap in the cap stage?






4. What wll the inner enamel epithelium differentiate into?






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






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






7. What is the embryological background for enamel?






8. What is enamel dysplasia?






9. What is anodontia?






10. Do odontoblasts start their secretion of matrix before the ameloblasts?






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






12. What do the odontoblasts do?






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






14. Where is the dental papilla originally derived from?






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






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






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






18. What are the mature cells for cementum?






19. Where is the enamal organ originally derived from?






20. How is the reduced enamel epithelium created?






21. What happens during the apposition stage?






22. When does dens in dente occur?






23. What will the outer cells of the dental lamina differentiate into?






24. What stage does the dental tissues subsequently fully mineralize






25. The stratum intermediate is located inner or outer?






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






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






28. What are the incremental lines for dentin?






29. What are the odontoblastic processes is contained in what?






30. What are the etiological factors for fusion?






31. What are the mature cells for enamel?






32. What happens during the bell stage?






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






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






35. What is matrix?






36. What are the clinical ramifications of supernumerary teeth?






37. What are the clinical ramifications of concrescence?






38. Active eruption






39. What are the clinical ramifications of enamel dysplasia?






40. What are the clinical ramifications?






41. What is the structure responsible for root development?






42. What hard tissue is innervated by nerves?






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






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






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






46. What happens during the appositional stage?






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






48. What is tubercle?






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






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