Dr. McGlennen: How were you introduced to OralDNA® salivary diagnostics and why do you use the testing services? Thomas Lewis, Ph.D.: I was introduced to OralDNA® labs testing services through a functional medicine physician who has been using your testing services for several years. The why is simply because no one truly understands where they are on the oral health continuum. Many see bleeding gums when they brush or the occasional floss and think it is normal. I have been fortunate ...