A herringbone or tire track pattern appears on the image if the film packet was placed in the oral cavity reversed.

Name: A herringbone or tire track pattern appears on the image if the film packet was placed in the oral cavity reversed.
Brand: Quizplus
Rating: 4.7 (28 reviews)

Question

Quizplus · Accepted Answer

This is true. If the film packet is placed in the oral cavity reversed, a herringbone or tire track pattern will appear on the image. This is because the lead foil backing on the packet will cause interference with the X-rays and create this pattern.

A Herringbone or Tire Track Pattern Appears on the Image