Bacteria travel between the stomach and the mouth. If you have signs of gum disease, cavities, tooth decay and bad breath, then you may have an unhealthy gut flora. You can maintain good oral and gut health by *eating plenty of prebiotic and high fiber foods, *cutting down on sugar intake, *flossing and brushing twice a day for 2 minutes each time and *having at least two professional teeth cleanings per year. Prevention is the key to good health, so sticking to these habits should help keep your teeth healthy for your whole life!