What component of the dental x-ray machine best limits the size of the x-ray beam to the approximate size of the image receptor?

Elongation error results from which of the following?

When using the paralleling technique, the patient must bite down on the image receptor holder biteblock as far away from the teeth as possible with the exception of which area?

Which of these is not a normal radiographic landmark often imaged on intraoral radiographs?

An image receptor placed too far back in the mouth will result in not imaging the

Excessive vertical angulation when using the paralleling technique results in

The technique used to image bitewing radiographs is unique to the bitewing exam.

Extraoral radiographs are useful for each of the following except one. Which one is the exception?

Which localization technique requires the exposure of an occlusal radiograph?

Recurrent caries appears as a radiolucency adjacent to the restoration.