What is the result of using too little vertical angulation in radiography?

Using too little vertical angulation in radiography results in an elongated image. When the X-ray beam is directed toward the film or sensor at a lower angle than required, the image of the tooth appears stretched or elongated. This occurs because the beam is not perpendicular to the tooth and the receptor, causing distortion in the size and shape of the image.

In radiographic practice, correct angulation is crucial to ensure accurate representation of anatomical structures. Angling the tube too steeply leads to foreshortening, while insufficient angle results in elongation. The other options, like cone cut or overlapping images, are related to different errors in imaging techniques or positioning rather than the specific effect of the vertical angulation being too little.