Some Teas can be good for your teeth
Green and Black teas contain polyphenols, antioxidant plant compounds that prevent plaque from adhering to your teeth and help reduce your chances of developing cavities and gum disease. Christine D Wu PhD, who has conducted several studies on tea and oral health care, states tea also has potential for reducing bad breath odor because it inhibits the growth of the bacteria that cause the odor. Many teas also contain fluoride (from the leaves and the water it’s steeped in), which helps protect tooth enamel from decay.
