A radiopaque,cone-shaped artifact on a panoramic image that interferes with the diagnostic information is caused by the:

Question

Quizplus · Accepted Answer

If the lead apron is placed incorrectly,or if a lead apron with a thyroid collar is used during the exposure of panoramic films,a radiopaque cone-shaped artifact results that interferes with the diagnostic information.
The cone-shaped artifact is not a result of the patient's chin being too high.
The patient's head being posterior to the focal trough does not result in a cone-shaped artifact being in the image.
If the patient moves during the exposure,this results in the image being blurred.

A Radiopaque,cone-Shaped Artifact on a Panoramic Image That Interferes with the Diagnostic