A Radiograph of a Submentovertex Projection Reveals That the Mandible

question 121

Multiple Choice

A radiograph of a submentovertex projection reveals that the mandible is superimposed over the ethmoid and sphenoid sinuses.Which of the following modifications will eliminate this problem?

• A) Perform the projection with the patient supine.
• B) Perform the axiolateral oblique instead of the submentovertex projection.
• C) Increase the flexion of the head and neck.
• D) Increase the extension of the head and neck.

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