Dr. McGlennen: Concerning dementia and brain health, recent medical studies point to poor oral health, and high levels of the bacteria in our gums with the increased risk to develop Alzheimer’s and other types of dementia1-3. Specifically, there is now evidence of the oral pathogen, Porphyromonas gingivalis (Pg), present in brain tissue and cerebrospinal fluid and it may be involved with the production of the abnormal proteins that are characteristic of Alzheimer’s disease4.  Additionally, t...