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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 is the cap in the cap stage?






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






3. What is the main process involved in initiation?






4. Tooth development






5. What is another name for the dental sac?






6. What are the formative cells for dentin?






7. What are the formative cells for enamel?






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






9. What do the odontoblasts do?






10. What are the formative cells for cementum?






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






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






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






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






15. What are the etiological factors for supernumerary teeth?






16. What happens during the maturation stage?






17. What type of tissue is enamel?






18. What are the mature cells for enamel?






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






20. What is macrodontia?






21. What are the etiological factors of enamel dysplasia?






22. What processes are involved with the apposition stage?






23. What are entrapped cementoblasts called?






24. What happens during the bell stage?






25. The remaining ectomesenchyme surrounding the outside of the enamel organ condenses into what?






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






27. When does dens in dente occur?






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






29. What are the odontoblastic processes is contained in what?






30. What are the formative cells for alveolar bone?






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






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






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






34. Where is the dental sac originally derived from?






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






36. Passive eruption






37. What are the etiological factors for fusion?






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






39. What is amelogenisis?






40. What is the cementum matrix called?






41. Which layer in the bell stage has star shaped cells?






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






43. What is the primordium of the tooth?






44. What is concrescence?






45. What happens during the apposition stage?






46. The stratum intermediate is located inner or outer?






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






48. What is the embryological background for enamel?






49. What are the mature cells for dentin?






50. What is matrix?