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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 2 layers in the dental papilla within the concavity of the enamel organ?






2. What are the formative cells for enamel?






3. What stage does the dental tissues subsequently fully mineralize






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






5. What are the etiological factors for supernumerary teeth?






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






7. The stellate reticulum is located inner or outer?






8. What is dens in dente?






9. What is fusion?






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






11. How is the reduced enamel epithelium created?






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






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






14. What is macrodontia?






15. Passive eruption






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






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






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






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






20. What are the mature cells for cementum?






21. Where is the dental papilla originally derived from?






22. What stage does supernumerary teeth occur?






23. Which teeth are nonsuccedaneous?






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






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






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






27. What is gemination?






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






29. What are the clinical ramifications?






30. What are the incremental lines for enamel?






31. What wll the inner enamel epithelium differentiate into?






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






33. What stage does anodontia occur?






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






35. What are entrapped cementoblasts called?






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






37. What are the mature cells for alveolar bone?






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






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






40. What is another name for the dental sac?






41. What are the clinical ramifications of enamel dysplasia?






42. What do the odontoblasts do?






43. What are the etiological factors of enamel dysplasia?






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






45. What is the primordium of the tooth?






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






47. What happens during the cap stage?






48. What does the cervical loop consist of?






49. What are the etiological factors of tubercle?






50. What are the etiological factors for enamel pearl?