tooth decay

Thanks to modern dentistry, we now know the important explanation for cavity. Food substances, bacteria, and saliva combine to make plaque that sticks to your teeth. Cavity starts when sugars and starches are left on your teeth for an extended time. Bacteria within the plaque eat the sugary and starchy foods, which forms acids. These acids in plaque erode your enamel, the hard outer layer of your teeth resulting in tiny holes called cavities. Over time, the acids and bacteria erode through your enamel and begin to wreck the dentin, the tissue beneath your enamel. If they reach the pulp, … What really causes tooth decay?