A radiograph of a submentovertex projection of the cranium reveals that the mandibular mentum are projected into the ethmoid sinuses.What must be altered during the repeat exposure to produce a more diagnostic radiograph?
A) Increase the extension of the skull.
B) Increase the flexion of the skull.
C) Decrease the CR angulation.
D) None of the above; it is an acceptable image.
Correct Answer:
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