When the food we eat interact with bacteria in our mouths, the result is a chemical reaction that produces acid. This acid can erode tooth enamel (the white part of the teeth that we can see). This causes the tooth to decay. Eventually, a small hole will form in the tooth’s enamel surface and this is a cavity. As it grows, it’s an open door to infection and further decay that weakens the tooth and leads to pain and tooth loss.

Initially, you may not experience any symptoms of having a cavity. However, as the cavity progresses, these are some of the telltale signs: