Synergy is the combined effect of two things being greater than either one independently. As a veteran of managing periodontal diseases, that is how I view salivary diagnostics and Guided Biofilm Therapy (GBT).   With salivary diagnostics I can identify specific pathogens thriving in my patient’s biofilm, and through the process of GBT I am able to dismantle and destroy those pathogens.  This is synergy at its best. Quick review of pathogenic biofilm, then we can focus on GBT and salivary...