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






2. What are the mature cells for enamel?






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






4. What are the clinical ramifications of fusion?






5. What are the formative cells for enamel?






6. What wll the inner enamel epithelium differentiate into?






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






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






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






10. What are the clinical ramifications of concrescence?






11. Active eruption






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






13. What is the time span for initiation?






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






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






16. What is the cap in the cap stage?






17. What are the formative cells for cementum?






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






19. What is microdontia?






20. What are the mature cells for alveolar bone?






21. What hard tissue is innervated by nerves?






22. Passive eruption






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






24. What are the clinical ramifications of anodontia?






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






26. What is tubercle?






27. What are entrapped cementoblasts called?






28. What stage does supernumerary teeth occur?






29. What is an enamel pearl?






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






31. The stellate reticulum is located inner or outer?






32. What are the mature cells for cementum?






33. Tooth development






34. What is another name for the dental sac?






35. What happens during the appositional stage?






36. What is macrodontia?






37. What will the dental sac give rise to?






38. What are the mature cells for dentin?






39. What happens during the cap stage?






40. What happens when the reduced enamel epithelium is created?






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






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






43. What are the etiological factors for supernumerary teeth?






44. What is the inner mass in the cap stage that forms a concavity of the enamel organ?






45. When does macro/microdontia occur?






46. What are the clinical ramifications of gemination?

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47. What is the cementum matrix called?






48. Where is the enamal organ originally derived from?






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






50. Which teeth are nonsuccedaneous?