Research is close to showing a definitive benefit to oral health with the use of probiotics. Specifically, for better periodontal health, probiotics can introduce a balance of microorganisms that are healthy for your gums. Most people don't like to think about all the things moving and growing in our mouths. The truth is that dental plaque contains millions and billions of bacteria and even yeast and that is normal. As research develops, Dr. Geisler, a Plymouth, MN dentist, will be helping her patients choose which probiotic may improve their oral health.