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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 formative cells for enamel?






2. How is the reduced enamel epithelium created?






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






4. What is anodontia?






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






6. What are the formative cells for cementum?






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






8. What is concrescence?






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






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






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






12. What is gemination?






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






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






15. What are entrapped cementoblasts called?






16. What is the embryological background for enamel?






17. What stage does anodontia occur?






18. What are the clinical ramifications of enamel pearl?






19. What type of tissue is enamel?






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






21. The stratum intermediate is located inner or outer?






22. What are the etiological factors of concrescence?






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






24. What hard tissue is innervated by nerves?






25. What is tubercle?






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






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






28. What are the etiological factors of tubercle?






29. What are the clinical ramifications of anodontia?






30. What is microdontia?






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






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






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






34. What happens during the bud stage?






35. The stage named for extensive proliferation of the dental lamina into oval masses penetrating into the ectomesenchyme?






36. What are the clinical ramifications of gemination?

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37. What is the primordium of the tooth?






38. What is amelogenisis?






39. What hard tissue has vascularity?






40. What is dens in dente?






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






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

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






44. What are the clinical ramifications of dens in dente?






45. What are the etiological factors for enamel pearl?






46. What are succedaneous teeth?






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






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






49. What is the structure responsible for root development?






50. What does the cervical loop consist of?