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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.
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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?






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






3. What is the cementum matrix called?






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






5. What are the etiological factors of tubercle?






6. What are entrapped cementoblasts called?






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






8. What is cementogenisis?






9. What is the cap in the cap stage?






10. What processes are involved with the apposition stage?






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






12. What processes are involved in the bell stage?






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






14. What type of tissue is enamel?






15. How is the dentinocemental junction formed?






16. When does dens in dente occur?






17. What are the etiological factors for anodontia?






18. What are the etiological factors for dens in dente and gemination?






19. What stage does supernumerary teeth occur?






20. Passive eruption






21. What is enamel dysplasia?






22. What is macrodontia?






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






24. What are the incremental lines for enamel?






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






26. What are succedaneous teeth?






27. What hard tissue is innervated by nerves?






28. The stratum intermediate is located inner or outer?






29. What are the clinical ramifications of fusion?






30. What are the mature cells for alveolar bone?






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






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






33. What are the formative cells for enamel?






34. What happens during the appositional stage?






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






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

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37. What does the cervical loop consist of?






38. What is fusion?






39. What is anodontia?






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






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






42. Where is the enamal organ originally derived from?






43. The oral epithelium is induced by the ectomesenchyme to produce what?






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






45. The stellate reticulum is located inner or outer?






46. What kind of cells occur in the outer enamel epithelium in the bell stage?






47. What are the mature cells for dentin?






48. What are the etiological factors of concrescence?






49. What are the mature cells for enamel?






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







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