Did you know that 92% of adults will experience tooth decay? Cavities are more common than childhood asthma. Although good oral hygiene and regular dental care can lessen your risk of decay, there’s another secret to a cavity-free smile. Fluoride is nature’s cavity fighter. It makes enamel more resistant to bacteria that can erode your enamel. Not only can it prevent cavities, but it can also reverse the early stages of enamel loss. Fluoride is added to many dental products, but it is also in many public water sources. Here’s how drinking from the tap can keep your pearly whites strong and healthy.