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landswithrow landswithrow
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6 years ago
For a PA cranial projection,
 
  1. the midsagittal plane is positioned parallel with the IR.
  2. the OML is aligned perpendicular to the IR.
  3. the central ray is aligned perpendicular to the IR.
  4. the central ray is centered to the nasion.
  a. 1 and 3 only
  b. 2 and 3 only
  c. 2, 3, and 4 only
  d. 1 and 4 only
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6 years ago
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landswithrow Author
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6 years ago
I can't believe the level of intelligence display at this community, thank you so much
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