science

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Author:
Anonymous
ID:
5212
Filename:
science
Updated:
2010-01-26 15:43:29
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teeth
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Description:
teeth
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  1. What are the four kinds of teeth?
    canines, bicuspids, incisors, molars
  2. How many sets of teeth do humans have?
    two
  3. When does the first set of teeth begin to appear?
    A few months of age
  4. What are the first set of teeth called?
    Milk or baby teeth
  5. How many teeth are in the first set of teeth?
    20
  6. How old is the human when the second set of teeth begin to appear?
    5 or 6
  7. How many teeth does an adult human have?
    28-32
  8. How many teeth are there in a full set?
    32
  9. What are the teeth that grow last called?
    Wisdom teeth
  10. Where do wisdom teeth grow?
    In the back of the jaw
  11. How many wisdom teeth are there?
    1-4
  12. What is the visible part of the tooth called?
    the crown
  13. What is the name of the hard white outer layer of the tooth called?
    Enemal
  14. What is the name of the tissue just below the enamel?
    dentin
  15. What is the bottom part of the tooth that anchors it in the gums and jawbone called?
    the root
  16. What is the name of the soft center of the tooth?
    pulp
  17. What does the pulp contain?
    blood vessels and nerves
  18. What is the name of the soft tissue that surrounds the base of the teeth?
    gums
  19. What is the name of the tough outer layer of the roots?
    cementum
  20. What is another name for adult teeth?
    permanent teeth
  21. How many permanent teeth are on top and on the bottom?
    16
  22. How old are you when you get your first set of molars?
    6
  23. How old are you when you get your second set of molars?
    12 years old
  24. What are your last set of molars also called?
    Wisdom teeth
  25. What is the fleshy tissue between the tooth and the tooth socket that holds the tooth in place?
    periodontal membrane / ligament

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