It’s also good for . . .
Ever since scientists saw, 70 years ago, what they thought was a link between fluoride in the water supply and a lower incidence of tooth decay, fluoride - in toothpaste, mouth-washes, tablets and drinking water - has been the most popular...
Saliva is the body’s first line of defence against tooth decay. It neutralises acids in the mouth, and washes away sugars and other cavity-promoting substances. Saliva also contains minerals like calcium and phosphate that help to repair teeth...