The secret to preventing tooth decay may have been hiding in your mouth all along. Increasing levels of an amino acid in ...
Add Yahoo as a preferred source to see more of our stories on Google. Tooth decay is largely caused by sugar, which interacts with bacteria on our teeth to cause damage. (Getty Images) (Catherine ...
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 ...