Which of the Following Statements Is Not True About an SMV

question 18

Multiple Choice

Which of the following statements is not true about an SMV cranium projection (Schueller method) ?

• A) The IOML should be placed parallel to the IR for the projection.
• B) Positioning the midsagittal plane perpendicular to the IR prevents cranial tilting.
• C) The dens is centered within the exposure field.
• D) If the resulting image demonstrates the mandibular mentum posterior to the ethmoid sinuses, the central ray can be angled caudally to obtain an optimal projection.

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