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






2. What are the etiological factors for supernumerary teeth?






3. What is the embryological background for enamel?






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






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






6. What is cementogenisis?






7. How is the dentinocemental junction formed?






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






9. The stellate reticulum is located inner or outer?






10. What are the clinical ramifications of fusion?






11. What will the dental sac give rise to?






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






13. What is another name for the dental sac?






14. Where is the dental sac originally derived from?






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






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






17. What is microdontia?






18. What happens during the bell stage?






19. How is the reduced enamel epithelium created?






20. What is the cementum matrix called?






21. What is the primordium of the tooth?






22. What are the etiological factors of tubercle?






23. What processes are involved with the apposition stage?






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






25. What is dens in dente?






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






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






28. What is concrescence?






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






30. What is gemination?






31. What are the incremental lines for enamel?






32. What are the etiological factors for anodontia?






33. What happens during the bud stage?






34. The stratum intermediate is located inner or outer?






35. What are the formative cells for alveolar bone?






36. What are the clinical ramifications of micro/macrodontia?






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






38. What are the clinical ramifications of gemination?


39. What stage does supernumerary teeth occur?






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






41. What are the mature cells for alveolar bone?






42. What is the time span for initiation?






43. What are the mature cells for enamel?






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






45. Tooth development






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






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






48. What happens during initiation?






49. What are supernumerary teeth?






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