dental anatomy final #2!

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jackiedh
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55160
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dental anatomy final #2!
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2010-12-13 18:16:25
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dental anatomy final
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dental anatomy final #2!
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  1. what is the composition of enamel? ____% inorganic matter, _____% organic, ____% water
    • 96
    • 1
    • 3
  2. dentin has ___% inorganic, ____% organic, and _____% water
    • 70%
    • 20%
    • 10%
  3. when the cementum and enamel do not meet, there is a smal zone of dentin exposed in ___% of teeth, this is called:
    • 10%
    • GAP
  4. when the cementum and enamel touch, this is called _____ and it happens in ___% of teeth
    • MEET
    • 30%
  5. when the cementum is on top of the enamel it is called _______. hygienists do not like this so much, but your teeth do! It occurs in about ____% of teeth
    • OVERLAP dance
    • 60%
  6. the portion of the tooth that contains the mass of the pulp is called
    the pulp CHAMBER!
  7. what are the extensions of the coronal pulp into the cusps of posterior teeth?
    pulp horny HORNS!
  8. the dentin type AROUND the tubule, highly mineralized is called:
    peritubular dentin
  9. the type of dentin BETWEEN the tubules is:
    INTERTUBULAR dentin
  10. the FIRST predentin that forms and the first to mature and is perpendicular to the DEJ is called:
    MANTLE dentin
  11. what type of dentin is next to the PULP, forms and immatures after the dentin and is parallel to the DEJ?
    circumPULPal dentin
  12. Type of dentin formed in the tooth before the complete formation of apical foramen, in a regular pattern:
    PRIMARY dentin
  13. Type of dentin laid after the completion of the apical formation. certain meds can stimulate this dentin (i.e. dycal)
    SECONDARY dentin
  14. Type of dentin that is reparative, and formed in response to trauma is called:
    TERTIARY dentin
  15. what are the distinguishing features of the MAX CENTRAL incisors? (2)
    • widest M-D
    • imbrication lines
  16. what are distinguishing features of MAX LATERALS? (2)
    • crown has greatest degree of variation in form EXCEPT 3rds.
    • congenitally missing
  17. the mandibular CENTRALS distinguishing features are: (2)
    • MOST symmetrical
    • SMALLER than laterals
  18. the mandibular LATERAL distinguishing features are:
    • slightly LARGER than centrals
    • crown appears DISTALLY oriented
  19. which teeth are the smoothest because they have no cingulum and are the smallest?
    mandibular incisors
  20. what other teeth do the mandibular canines resemble from the lingual aspect?
    mandibular laterals
  21. from the facial, mandibular canines most resemble:
    maxillary canines
  22. on incisors, the mesial marginal ridge is more_____ and the distal marginal ridge is more_______
    • distinct
    • rounded
  23. what are the functions of premolars? (2)
    tearing and grinding (oh baby!)
  24. the first mandibular premolar resembles:
    a canine
  25. a bifurcated root is found on which premolars?
    max 1st premolars!
  26. which premolar has a non-functional lingual cusp but functional buccal cusp?
    mandibular 1st premolar
  27. what are the succedaneous teeth that replace the primary 1st and 2nd molars?
    1st and 2nd premolars! Yay! this if fun!
  28. R/L distinguishing features of which premolar are:
    mesially displaced lingual cusp
    mesial concavity
    mesial cusp slope longer than distal cusp slope on buccal cusp
    Max 1st premolar
  29. R/L distinctions of which premolar are:
    lingual cusp displaced toward mesial?
    Max 2nd premolars
  30. R/L distinctions of which premolar are:
    mesial cusp slope shorter than distal
    distal margin more rounded
    man 1st premolar (that one was easy! not!)
  31. R/L distinctions of which premolar are:
    2 cusps: lingual cusp shifts mesially
    3 cusps: ML cusp larger
    ROOT: proximal root concavities
    dead give away, it is the man 2nd premolar!
  32. which tooth can have the cusp of carabelli?
    the MAX 1st Molar!
  33. which lingual root is the largest and longest?
    max 1st molars
  34. T/F all MAX MOLARS can account for sinusitis?
    TRUUUUUEEEEE
  35. which occlusal table has the cross-shaped groove pattern?
    MAN 2nd molars!!!!!!!! NICE! I don't see it, but i can dream it!

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