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






2. What happens during initiation?






3. What are the clinical ramifications of enamel dysplasia?






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






5. When does macro/microdontia occur?






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






7. What stage does the dental tissues subsequently fully mineralize






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






9. What happens during the apposition stage?






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






11. What is cementogenisis?






12. What are supernumerary teeth?






13. What is the embryological background for enamel?






14. The stratum intermediate is located inner or outer?






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






16. What are the formative cells for dentin?






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






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






19. What are the formative cells for enamel?






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






21. What are the mature cells for alveolar bone?






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






23. Passive eruption






24. What are the clinical ramifications of supernumerary teeth?






25. The stellate reticulum is located inner or outer?






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






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






28. Where is the enamal organ originally derived from?






29. What hard tissue is innervated by nerves?






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






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






32. What is tubercle?






33. What will the dental sac give rise to?






34. What are the formative cells for cementum?






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






36. What are the clinical ramifications of anodontia?






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






38. What is the main process involved in initiation?






39. Where does the primordium of the permanent dentition develop?






40. What happens during the appositional stage?






41. What is an enamel pearl?






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


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






44. What is the process involved in the maturation stage?






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






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






47. What are succedaneous teeth?






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






49. What are the incremental lines for enamel?






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