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 ...

The secret to preventing tooth decay may have been hiding in your mouth all along. Increasing levels of an amino acid in saliva can turn bacterial biofilms from damaging to protective, a clinical ...

Sugar-loving mouth bacteria create acids that damage teeth, but arginine can help fight back. In a clinical trial, arginine-treated dental plaque stayed less acidic, became structurally less harmful, ...