Each of the following statements regarding successful patient preparation for bitewing radiographs is correct except one. Which one is the exception?

A) Position the image receptor close to the lingual surfaces of the teeth.
B) Base image receptor size on the size of the arches.
C) Check for anatomical obstructions before positioning the image receptor.
D) Caution the patient not to swallow or let the teeth separate during the exposure.

A
Explanation: A) Position the image receptor away from the lingual surfaces of teeth. This is especially important with premolar and anterior positions, where the curvature of the palate will contact the corner of the image receptor and cause it to be pushed down, altering the position.
B) Position the image receptor away from the lingual surfaces of teeth. This is especially important with premolar and anterior positions, where the curvature of the palate will contact the corner of the image receptor and cause it to be pushed down, altering the position.
C) Position the image receptor away from the lingual surfaces of teeth. This is especially important with premolar and anterior positions, where the curvature of the palate will contact the corner of the image receptor and cause it to be pushed down, altering the position.
D) Position the image receptor away from the lingual surfaces of teeth. This is especially important with premolar and anterior positions, where the curvature of the palate will contact the corner of the image receptor and cause it to be pushed down, altering the position.