A plastic or metal film cassette holds and protects the extraoral film.During exposure,the side of the cassette the must face the patient is the _____ side.

Question

Quizplus · Accepted Answer

The front side of the cassette must always face the patient during exposure,because it is constructed to permit the passage of the radiograph beam.
The back of the cassette is made of metal to reduce scatter radiation.
"Right" is marked on the cassette because there is no raised dot as on intraoral film.
"Left" is marked on the cassette because there is no raised dot as on intraoral film.

A Plastic or Metal Film Cassette Holds and Protects the Extraoral