Make sure you look at the pictures first and then read the bit at the end - very clever.
All right, now that you had time to quietly observe the images, what did you notice?In the first one you will now notice that she has one finger too many in her hand, in the second one a phantom arm is floating there, and in the third one the man has only one ear.
The campaign attained its purpose, because it proved that food remains on your teeth draw more attention than any physical defect.