Test your basic knowledge |

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 dens in dente?






2. What are the etiological factors of enamel dysplasia?






3. What are the incremental lines for enamel?






4. What will the dental sac give rise to?






5. Where is the dental sac originally derived from?






6. What are the clinical ramifications of fusion?






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






8. What are the clinical ramifications of supernumerary teeth?






9. What are the formative cells for enamel?






10. When does macro/microdontia occur?






11. What is the primordium of the tooth?






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






13. What is the time span for initiation?






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






15. What is concrescence?






16. What stage does the dental tissues subsequently fully mineralize






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






18. Where is the dental papilla originally derived from?






19. What is the predominate process in the bell stage?






20. What processes are involved with the apposition stage?






21. What processes are involved in the bell stage?






22. What are the etiological factors for enamel pearl?






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






24. Passive eruption






25. What is enamel dysplasia?






26. What is macrodontia?






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






28. What stage does anodontia occur?






29. What are the mature cells for cementum?






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






31. What is the main process involved in initiation?






32. What are supernumerary teeth?






33. What is the structure responsible for root development?






34. The stratum intermediate is located inner or outer?






35. Tooth development






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






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






38. What are the incremental lines for dentin?






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






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






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






42. What are the etiological factors for anodontia?






43. What is the embryological background for enamel?






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






45. What happens during the cap stage?






46. What are the etiological factors of tubercle?






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






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






49. What wll the inner enamel epithelium differentiate into?






50. What is tubercle?