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






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






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






4. What is the primordium of the tooth?






5. What happens during the bell stage?






6. What is the cementum matrix called?






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






8. What are the incremental lines for enamel?






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






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






11. What will the dental sac give rise to?






12. What is enamel dysplasia?






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






14. What is dens in dente?






15. What is the cap in the cap stage?






16. When does macro/microdontia occur?






17. What are the clinical ramifications of supernumerary teeth?






18. What are the clinical ramifications of concrescence?






19. What stage does anodontia occur?






20. How is the dentinocemental junction formed?






21. What is fusion?






22. When does dens in dente occur?






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






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






25. Where is the enamal organ originally derived from?






26. What is another name for the dental sac?






27. What are the clinical ramifications of enamel pearl?






28. What is macrodontia?






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






30. What are the etiological factors of tubercle?






31. Tooth development






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






33. In the cap stage the tooth bud does not grow - what happens?






34. What is amelogenisis?






35. What happens during the appositional stage?






36. What are entrapped cementoblasts called?






37. What does the cervical loop consist of?






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






39. What are the mature cells for dentin?






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






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






42. What are the formative cells for dentin?






43. What happens during initiation?






44. What is the main process involved in the bud stage?






45. What are the etiological factors for enamel pearl?






46. What is gemination?






47. How is the reduced enamel epithelium created?






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






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






50. What are the mature cells for alveolar bone?