Multiple Choice
A radiograph of a parietoacanthial (Waters) projection for sinuses reveals that the petrous pyramids are projected over the maxillary sinuses.What positioning error is present on this radiograph?
A) Excessive flexion of head and neck
B) Excessive extension of head and neck
C) Excessive CR angulation
D) Rotation of the head
Correct Answer:
Verified
Correct Answer:
Verified
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