Below is an excerpt from an article found on Colgate.com that was Reviewed by the Faculty of Columbia University College of Dental Medicine What's in Your Mouth? To understand what happens when your teeth decay, it's helpful to know what's in your mouth naturally. Here are a few of the elements: Saliva - Your mouth and teeth are constantly bathed in saliva. We never give much thought to our spit, but this fluid is remarkable for what it does to help protect our oral health. Saliva keeps teeth and other parts of your mouth moist and washes away bits of food. Saliva contains minerals that strengthen teeth. It includes buffering agents. They reduce the levels of acid that can decay teeth. Saliva also protects against some viruses and bacteria. Plaque - Plaque is a soft, gooey substance that sticks to the teeth a bit like jam sticks to a spoon. Like the slime that clings to the bottom of a swimming pool, plaque is a type of biofilm. It contains large numbers of c...
