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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 clinical ramifications of anodontia?






2. Passive eruption






3. When the inner epithelial epithelium columnar cells elongate and repolarize they differentiate into what?






4. What are entrapped cementoblasts called?






5. The stratum intermediate is located inner or outer?






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






7. How is the reduced enamel epithelium created?






8. What are the formative cells for dentin?






9. What are the clinical ramifications of gemination?

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






11. Where is the dental papilla originally derived from?






12. What stage does the dental tissues subsequently fully mineralize






13. What are the etiological factors for fusion?






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






15. What are the clinical ramifications of fusion?






16. What processes are involved with the apposition stage?






17. Which teeth are nonsuccedaneous?






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






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






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






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






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






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






24. Where is the enamal organ originally derived from?






25. What kind of cells reside in the stratum intermediate?






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






27. What are the cell layers found in the enamel organ in the bell stage?






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






29. When does dens in dente occur?






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






31. What is cementogenisis?






32. How is the dentinocemental junction formed?






33. What type of tissue is enamel?






34. What will the dental papilla eventually form?






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






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






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






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






39. What are the clinical ramifications of concrescence?






40. What are the clinical ramifications of enamel dysplasia?






41. What happens during the bell stage?






42. What is the cementum matrix called?






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






44. What kind of cells occur in the inner enamel epithelium?






45. What is concrescence?






46. What is gemination?






47. Where is the dental sac originally derived from?






48. What happens during the appositional stage?






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






50. What is enamel dysplasia?







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