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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. What are the odontoblastic processes is contained in what?






2. What are the mature cells for dentin?






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






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






5. Where is the dental sac originally derived from?






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






7. What are the incremental lines for enamel?






8. What is the primordium of the tooth?






9. What hard tissue is can not have tissue formation after eruption?






10. What are the etiological factors for enamel pearl?






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






12. What are supernumerary teeth?






13. When does dens in dente occur?






14. What will the outer cells of the dental lamina differentiate into?






15. What is enamel dysplasia?






16. What are the processes involved in the cap stage?






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






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






19. What are the etiological factors for supernumerary teeth?






20. What are the clinical ramifications of enamel dysplasia?






21. What are the formative cells for alveolar bone?






22. What are the clinical ramifications of fusion?






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






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






25. What is dens in dente?






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






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






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






29. What are the clinical ramifications of concrescence?






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






31. What happens during the appositional stage?






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






33. What processes are involved with the apposition stage?






34. What is macrodontia?






35. What are the clinical ramifications of enamel pearl?






36. What happens during the bell stage?






37. What happens during the apposition stage?






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






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






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






41. What are the formative cells for enamel?






42. What stage does the dental tissues subsequently fully mineralize






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






44. What is the structure responsible for root development?






45. What is amelogenisis?






46. What are the etiological factors for micro/macrodontia?






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






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






49. Tooth development






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