Which factor is NOT one of the three characteristics in a radiograph?

In the context of radiology, the three key characteristics of a radiograph that influence image quality are contrast, density, and detail. Contrast refers to the difference in shades of gray in the image, which allows for differentiation between various structures and tissues. Density pertains to the overall darkness or lightness of the radiograph, primarily determined by the amount of radiation exposure and the type of film used.

Saturation is not recognized as a characteristic of radiographs. While the term can sometimes be used in other imaging contexts to describe color intensity or richness, it does not apply to the basic characteristics that define radiographic images. Intensity, on the other hand, relates to the strength of the x-ray beam and can affect density but is not considered a standalone characteristic in the evaluation of radiographs.

Understanding these characteristics is vital in evaluating the quality of radiographic images and ensuring accurate diagnostics in dental practices.