Which of these extraoral radiographs is most often used to examine the sinuses?

a. Waters
b. Reverse Towne
c. Submentovertex
d. Lateral cephalometric


a. The Waters radiograph records information in the region of the middle third of the face to include zygoma, the coronoid process, and the sinuses. It is often used to examine the maxillary, frontal, and ethmoid sinuses.

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