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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 happens during the cap stage?






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






3. What stage does supernumerary teeth occur?






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






5. What is the cementum matrix called?






6. What processes are involved with the apposition stage?






7. When does macro/microdontia occur?






8. What is tubercle?






9. What happens during initiation?






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






11. What are the incremental lines for enamel?






12. What happens during the bud stage?






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






14. What are the mature cells for alveolar bone?






15. What are the clinical ramifications of fusion?






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






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






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






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






20. What is the time span for initiation?






21. What does the cervical loop consist of?






22. What is the embryological background for enamel?






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






24. What processes are involved in the bell stage?






25. What wll the inner enamel epithelium differentiate into?






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






27. How is the reduced enamel epithelium created?






28. Where is the dental sac originally derived from?






29. What are succedaneous teeth?






30. What are the mature cells for enamel?






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






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






33. The stellate reticulum is located inner or outer?






34. What happens during the apposition stage?






35. What are the cell layers found in the enamel organ in the bell stage?






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






37. What are entrapped cementoblasts called?






38. What happens during the maturation stage?






39. What is fusion?






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






41. What happens during the bell stage?






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






43. What are the etiological factors of concrescence?






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






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






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






47. What is gemination?






48. What are the clinical ramifications of micro/macrodontia?






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






50. What are the formative cells for enamel?