When Are Extraoral Radiographs Needed?

When are extra oral radiographs needed? When large areas of the skull or jaw must be examined, or when patients are unable to open their mouths for image receptor placement.

Why are extraoral radiographs needed?

When are extraoral radiographs needed? Needed when large areas of the skull or jaw must be examined or when patients are unable to open their mouths for image receptor placement. ... It is used to focus panoramic radiographs.

What is the purpose of extraoral imaging?

Extraoral radiographs provide images of larger areas such as the skull and jaws. In some instances an extraoral film may be necessary in a handicapped patient who cannot open his or her mouth for film placement or in a patient with swelling or severe pain who is unable to tolerate the placement of intraoral films.