Fluoride is a naturally occurring mineral. It aids in making the outer surface of your teeth, the enamel, stronger. Stronger enamel can decrease your chances of dental decay. Fluoride can be taken systemically or be placed topically. Fluoride is found in almost all water sources including lakes, rivers and oceans. For approximately 70 years, our community water has been fluoridated with the optimal amount of fluoride to prevent help prevent tooth decay. Additionally, it can be found in foods and beverages or be applied topically with toothpaste or during a dental office visit. If you brush your teeth with fluoridated toothpaste, it can help remineralize weakened areas and stop the progression of early signs of dental decay. It is one of the easiest ways to prevent against dental cavities.