You can certainly google the dentist's name and read his account of his treatment by the dental association (this was back in the 70s if I remember right). I doubt he was making things up. I believe that when one of his patients came and tested with low oral bacterial count, the visit was free.

He himself clarifies that there is nothing magical about this system: "We aren't claiming to have come up with a revolutionary system ... we're not pushing any "miracle" drugs or anything like that, We are simply offering a commonsense approach to dental health, and the likes of that has never been available to the American people before. Oramedics is nothing more and nothing less than the simplest route to a disease-free oral ecology. And I think that anyone who is interested in regaining control over his or her life and body will surely want to know about it."