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






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






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






4. What are the etiological factors for supernumerary teeth?






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






6. The stellate reticulum is located inner or outer?






7. What hard tissue is innervated by nerves?






8. What is the time span for the bud stage?






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






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






11. What are the mature cells for cementum?






12. What happens during the apposition stage?






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






14. What is tubercle?






15. What are the etiological factors of enamel dysplasia?






16. Where is the dental sac originally derived from?






17. What is the cementum matrix called?






18. What are the etiological factors for anodontia?






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






20. What are supernumerary teeth?






21. Where is the enamal organ originally derived from?






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






23. What is dens in dente?






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






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






26. What are the clinical ramifications of enamel dysplasia?






27. Passive eruption






28. What are the etiological factors for enamel pearl?






29. What is the main process involved in initiation?






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






31. What is another name for the dental sac?






32. What happens during the cap stage?






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






34. How is the reduced enamel epithelium created?






35. What are the incremental lines for dentin?






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






37. What is an enamel pearl?






38. What are the mature cells for enamel?






39. What are the clinical ramifications of enamel pearl?






40. What are the clinical ramifications of gemination?

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41. What are the mature cells for alveolar bone?






42. When root formation is completed the portion of the basement membrane disintegrates its cells may become what?






43. What is matrix?






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






45. What are succedaneous teeth?






46. What is gemination?






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






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






49. What are the mature cells for dentin?






50. What is the cap in the cap stage?