At this stage, the tooth becomes painful when stimulated by actions such as chewing. The cavity is now active and may progress to affect the pulp, the innermost layer of the tooth. This is why you ...
"Incorporation [of fluoride] into the tooth enamel makes it more resistant to the acids produced by bacteria, helping prevent tooth decay in the first place," Morris said. "The presence of fluoride ...
Why? Because fluoridation helps to prevent the most common chronic disease in children: tooth decay. In the early 1900s, people in Colorado Springs, Colo., got brown spots and mottled areas on ...