Dr. McGlennen: Tell me how you use OralDNA® salivary diagnostics. Richard Zbaraschuk, DDS: For each patient we utilize chairside microscopy. When I see mature biofilms and/or Fn (Fusobacterium nucleatum), yeast, white blood cells (WBC), or spirochetes with the aid of the microscope, or the patient has consistent bleeding upon probing, I’ll make the recommendation of OralDNA® testing.  All new patients are given the MyPerioPath® brochure so they know all the options for testing that our of...