The enamel in human teeth is about 100 times thicker. The iron layer in Komodo dragons is coated on top of this extremely thin layer of enamel. The researchers think it either gives the enamel ...

But what does the science say? Fluoride is a naturally occurring mineral that strengthens tooth enamel, the outermost layer of teeth, making it more resistant to acid-producing bacteria that cause ...

Health experts consider fluoride essential for preventing cavities, yet some states are considering banning it. Here’s what you need to know.