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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 formative cells for cementum?






2. What processes are involved with the apposition stage?






3. What are the etiological factors of enamel dysplasia?






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






5. What is concrescence?






6. Where is the enamal organ originally derived from?






7. The stellate reticulum is located inner or outer?






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






9. What happens during the bud stage?






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






11. What are the formative cells for dentin?






12. What stage does anodontia occur?






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






14. What are the etiological factors for enamel pearl?






15. What hard tissue is innervated by nerves?






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






17. How is the dentinocemental junction formed?






18. How is the reduced enamel epithelium created?






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






20. What is anodontia?






21. What does the cervical loop consist of?






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






23. What are the etiological factors for fusion?






24. When does dens in dente occur?






25. Passive eruption






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






27. What are the mature cells for enamel?






28. What is matrix?






29. What stage does supernumerary teeth occur?






30. What are the cell layers found in the enamel organ in the bell stage?






31. What are entrapped cementoblasts called?






32. What is another name for the dental sac?






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






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






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






36. What are the mature cells for cementum?






37. What is cementogenisis?






38. What is the time span for the bell stage?






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






40. After the enamel apposition ceases the crown area of each primary or permanent tooth what happens?






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






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






43. When does macro/microdontia occur?






44. What are the clinical ramifications of enamel pearl?






45. What is the cementum matrix called?






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






47. What is the time span for initiation?






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






49. What is tubercle?






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