Advertisements for special toothpastes, powders and gums suggest that it’s possible. Here’s what dental experts say. By Katie Camero Most of us know that the best defense against tooth decay — or ...

Researchers have created a bioinspired gel that can regenerate tooth enamel by mimicking natural growth processes. The fluoride-free material forms a mineral-rich layer that restores enamel’s strength ...

The discovery that fluoride can help people maintain healthy teeth dates back to Colorado Springs in the early 1900s. That’s when a young dentist named Frederick McKay noticed brown staining on the ...