Bite-Wing radiographs are best described as an intraoral image that shows the maxillary and mandibular crowns in occlusion.

• A. Intraoral radiograph that shows the maxillary and mandibular crowns in occlusion
• B. Intraoral radiograph that shows the apex of a tooth and the area surrounding the apex
• C. Radiographs taken when large areas of the skull or jaw must be examined
• D. Radiographs that expose the maxillary or mandibular occlusal surface of the dental arch

Answer: (A)

Bite-wing radiographs are used to view the crowns of the upper and lower teeth as they come together in contact, along with a portion of the surrounding bone. This is exactly what the description of the image is conveying when it says it shows the maxillary and mandibular crowns in occlusion. These images are optimized for detecting interproximal caries and assessing bone levels between teeth, which is why the crown-in-occlusion view is key.

The other descriptions point to different types of radiographs: imaging the apex of teeth and surrounding tissues refers to periapical radiographs; imaging a large area of the skull or jaw describes panoramic or other large-field views; and imaging only the occlusal surface of an arch describes an occlusal radiograph, which serves different diagnostic purposes.