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Dentistry Tooth Development And Eruption

Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. The stratum intermediate is located inner or outer?






2. What wll the inner enamel epithelium differentiate into?






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






4. What are the formative cells for dentin?






5. What is the embryological background for enamel?






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






7. Where is the dental sac originally derived from?






8. What are the formative cells for alveolar bone?






9. The stellate reticulum is located inner or outer?






10. What will the dental papilla eventually form?






11. What are the mature cells for dentin?






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






13. What is anodontia?






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






15. Where is the enamal organ originally derived from?






16. What is cementogenisis?






17. Tooth development






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






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






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






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






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






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






24. What are supernumerary teeth?






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






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






27. When does macro/microdontia occur?






28. What are entrapped cementoblasts called?






29. What processes are involved in the bell stage?






30. What stage does anodontia occur?






31. What will the dental sac give rise to?






32. What happens during the bud stage?






33. What happens during the apposition stage?






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






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






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






37. What is fusion?






38. What are the mature cells for enamel?






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






40. What happens during initiation?






41. What stage does supernumerary teeth occur?






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






43. What are the clinical ramifications of fusion?






44. What are the etiological factors of concrescence?






45. When does the process of root development take place?






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






47. What are the mature cells for cementum?






48. What are the clinical ramifications of gemination?

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49. What are the incremental lines for enamel?






50. What are the etiological factors of tubercle?