Which of the following statements regarding orientation of a film packet is FALSE?
a. The white, unprinted side of the film packet must face the source of radiation.
b. The identification dot should be positioned toward the apices of the teeth when placing periapical radiographs.
c. The identification dot is used during interpretation of the radiograph to distinguish between the patient's left and right sides.
d. The film may be positioned with the long dimension vertically or horizontally when placing posterior bitewing radiographs.
b. The identification dot is used to differentiate the right from the left side of the patient. However, it has the potential to obscure information imaged on the film and therefore should be positioned away from the area of interest.
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