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. Which layer in the bell stage has star shaped cells?






2. What are the incremental lines for dentin?






3. The preameloblasts induce dental papilla cells to differentiate into what?






4. What are the etiological factors for fusion?






5. What is another name for the dental sac?






6. What happens during the bud stage?






7. Active eruption






8. What is anodontia?






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






10. What do the odontoblasts do?






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






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






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






14. What does the cervical loop consist of?






15. What are the incremental lines for enamel?






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






17. What is microdontia?






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






19. What are the processes involved in the cap stage?






20. What is the primordium of the tooth?






21. What are succedaneous teeth?






22. What will the dental papilla eventually form?






23. What is the main process involved in initiation?






24. The stellate reticulum is located inner or outer?






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






26. What happens during the appositional stage?






27. What is the cap in the cap stage?






28. What are the clinical ramifications of anodontia?






29. What is dens in dente?






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






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






32. What happens during initiation?






33. What are the 2 layers in the dental papilla within the concavity of the enamel organ?






34. What are the clinical ramifications of supernumerary teeth?






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






36. What are the mature cells for cementum?






37. What are the etiological factors for anodontia?






38. What stage does supernumerary teeth occur?






39. When does macro/microdontia occur?






40. What is amelogenisis?






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






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






43. When does dens in dente occur?






44. What layer serves as protection for the enamel organ?






45. What stage does anodontia occur?






46. When does the process of root development take place?






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






48. How is the dentinocemental junction formed?






49. What are the etiological factors of tubercle?






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