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 are the formative cells for dentin?






2. What are the mature cells for enamel?






3. What happens during the maturation stage?






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






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






6. What are the formative cells for enamel?






7. What is dens in dente?






8. What is tubercle?






9. What is fusion?






10. What happens during the appositional stage?






11. What are the clinical ramifications of concrescence?






12. What are the clinical ramifications of enamel dysplasia?






13. Where is the enamal organ originally derived from?






14. What kind of cells reside in the stratum intermediate?






15. What is the cementum matrix called?






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






17. What hard tissue has vascularity?






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






19. What hard tissue is innervated by nerves?






20. How is the reduced enamel epithelium created?






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






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






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






24. What happens during initiation?






25. What are the incremental lines for enamel?






26. What happens during the cap stage?






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






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






29. What are the etiological factors of concrescence?






30. The stellate reticulum is located inner or outer?






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






32. What is another name for the dental sac?






33. What are entrapped cementoblasts called?






34. What are the clinical ramifications?






35. What is anodontia?






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






37. What is enamel dysplasia?






38. What are the etiological factors for anodontia?






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






40. What is an enamel pearl?






41. Passive eruption






42. What stage does supernumerary teeth occur?






43. When does dens in dente occur?






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






45. What processes are involved in the bell stage?






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






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






48. What stage does anodontia occur?






49. What are the odontoblastic processes is contained in what?






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