Which of the following indicates the correct placement of an intraoral film?

A) The back side faces the buccal surfaces of the teeth and away from the source of radiation.
B) The back side faces the lingual surfaces of the teeth and toward the source of radiation.
C) The tube side faces the buccal surfaces of the teeth and toward the source of radiation.
D) The tube side faces the lingual surfaces of the teeth and toward the source of radiation.

D
Explanation: A) In intraoral radiography, the tube side of the film faces the source of radiation. When placing the film intraorally, the tube side will face the lingual surfaces of the teeth of interest.
B) In intraoral radiography, the tube side of the film faces the source of radiation. When placing the film intraorally, the tube side will face the lingual surfaces of the teeth of interest.
C) In intraoral radiography, the tube side of the film faces the source of radiation. When placing the film intraorally, the tube side will face the lingual surfaces of the teeth of interest.
D) In intraoral radiography, the tube side of the film faces the source of radiation. When placing the film intraorally, the tube side will face the lingual surfaces of the teeth of interest.