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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 process involved in the maturation stage?






2. What happens during the cap stage?






3. What are the formative cells for dentin?






4. What happens during initiation?






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






6. Where is the enamal organ originally derived from?






7. What is the structure responsible for root development?






8. What are the clinical ramifications of supernumerary teeth?






9. What happens during the apposition stage?






10. What happens during the bud stage?






11. What hard tissue has vascularity?






12. What are the formative cells for cementum?






13. What processes are involved with the apposition stage?






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






15. What is the primordium of the tooth?






16. When does macro/microdontia occur?






17. What is the cementum matrix called?






18. What are the development disturbances of the apposition and maturation stages?






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






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






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






22. Where is the enamel matrix secreted from by the ameloblasts?

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23. What wll the inner enamel epithelium differentiate into?






24. What stage does supernumerary teeth occur?






25. What are the clinical ramifications?






26. Where is the dental sac originally derived from?






27. What is an enamel pearl?






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






29. What are the etiological factors for fusion?






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






31. What is amelogenisis?






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






33. What are the clinical ramifications of enamel dysplasia?






34. What are the clinical ramifications of enamel pearl?






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






36. Passive eruption






37. What are the etiological factors for anodontia?






38. What are the clinical ramifications of gemination?

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






40. What will the dental papilla eventually form?






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






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






43. What is concrescence?






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






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






46. What are the etiological factors for supernumerary teeth?






47. Active eruption






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






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






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