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Dentistry Tooth Development And Eruption

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • 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. Where is the dental sac originally derived from?






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






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






4. What is enamel dysplasia?






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






6. What stage does supernumerary teeth occur?






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






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






9. What are the clinical ramifications of enamel dysplasia?






10. What is the cementum matrix called?






11. What processes are involved in the bell stage?






12. What is an enamel pearl?






13. What are the etiological factors of tubercle?






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






15. Where is the enamal organ originally derived from?






16. What wll the inner enamel epithelium differentiate into?






17. What are the formative cells for cementum?






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






19. What are the clinical ramifications of gemination?

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






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






22. What are the etiological factors for enamel pearl?






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






24. What is the predominate process of the cap stage?






25. What is the structure responsible for root development?






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






27. How is the dentinocemental junction formed?






28. What is the time span for initiation?






29. What do the odontoblasts do?






30. What are the clinical ramifications?






31. What is the main process involved in initiation?






32. What happens during the apposition stage?






33. What are the clinical ramifications of anodontia?






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






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






36. What hard tissue is innervated by nerves?






37. When does macro/microdontia occur?






38. The buds of the dental lamina - together with the surrounding ecto mesenchyme - will develop into what?






39. What hard tissue has vascularity?






40. What is microdontia?






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






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






43. After the enamel apposition ceases the crown area of each primary or permanent tooth what happens?






44. What happens during the maturation stage?






45. What is the primordium of the tooth?






46. What are the formative cells for dentin?






47. Which teeth are nonsuccedaneous?






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






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






50. Passive eruption