Hydrofluorosilicic acid is an additive used to fluoridate community water supplies in the U.S. Like many chemicals, it is caustic in its concentrated form. But it never reaches consumers, and the ...

Fluoride, a naturally occuring mineral found in many foods and water, has been a primary ingredient in toothpaste since the 1970s. Despite being widely regarded as safe by the Food and Drug ...

There are scores of toothpastes available on the shelves, but dentists say there are right and wrong options.