Family cashing in on ‘David After Dentist’

The viral clip has been viewed almost 54 million times and gave rise to the catchphrase, “Is this real life?” It was the second most-watched video of 2009, according to YouTube, trailing only Susan Boyle‘s appearance on “Britain’s Got Talent.” It’s also been an unexpected bonanza for the boy’s Orlando, Florida-area family, who, despite some criticism that they exploited their…