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 the embryological background for enamel?






2. What is macrodontia?






3. What is an enamel pearl?






4. What processes are involved with the apposition stage?






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






6. What is the primordium of the tooth?






7. What are the formative cells for dentin?






8. How is the dentinocemental junction formed?






9. What is the main process involved in initiation?






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






11. What stage does anodontia occur?






12. What are the incremental lines for dentin?






13. What is tubercle?






14. What is anodontia?






15. What happens during the maturation stage?






16. What happens during the bell stage?






17. What is matrix?






18. What is cementogenisis?






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






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






21. What will the dental sac give rise to?






22. What is another name for the dental sac?






23. What processes are involved in the bell stage?






24. The stellate reticulum is located inner or outer?






25. What are the clinical ramifications?






26. What is the function of the Hertwig's epithelial root sheath?






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






28. What are the major components of the tooth germ?






29. How is the reduced enamel epithelium created?






30. What is the time span for initiation?






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






32. What are the mature cells for cementum?






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






34. What are the etiological factors for anodontia?






35. What are the formative cells for enamel?






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






37. What are the mature cells for dentin?






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






39. The stratum intermediate is located inner or outer?






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






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






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






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






44. What do the odontoblasts do?






45. What does the cervical loop consist of?






46. What happens during initiation?






47. What is enamel dysplasia?






48. Where is the dental sac originally derived from?






49. What is microdontia?






50. What type of tissue is enamel?