The Visilite has been on our web site in the products section since before it was actually available in the marketplace. This technology while helpful is far from foolproof and has distinct limitations. I know, I was a consultant to Zila when they acquired the product from the original developer. The secret is really in the vinegar (acetic acid) but that is a whole 'nuther story. It is very unspecific, but if it gets people to take the time to look properly it a good thing in my book. The fact that dentists and their staff miss this too frequently of do even engage in oral cancer exams is a disgrace. I just isn't that hard. In the dental section of this web site there are numerous articles in the additional information section written by the NIDCR science staff which attest to this lack of involvement. Dr. Wilck is wise to have adopted an annual screening in his office. I spend part of my time as an expert witness, usually representing people who are suing dentists, and ENT's for failure to diagnose, or failure to meet standards of care. They universally lose, or are settled out of court. My greatest hope is that now that we have a convert in our midst that he will be an articulate and informed disciple of the early detection saves lives OCF mantra to his colleagues. Hearing it from one of their own carries so much more weight than my words.... Already he has had a wonderful story published in the news media about his disease and transformation. I think it's time to make him a TV personality......