Dr. McGlennen: Tell me how you use OralDNA® salivary diagnostics. Dr. Samaha: OralDNA® testing has been a standard and integral part of our intake of all patients with periodontal disease since early 2007. Our practice is well known for our protocol of diagnosing and treating periodontal disease and increasing total health profiles. Although I am a general dentist, over 95% of our new patients have some form of periodontal disease, from gingivitis to advanced, aggressive levels and we do ...