How Long Does It Take for a Cavity to Form? Causes and Timeline Explained

causes of cavities

TL;DR How Cavities Begin and Why Timing Matters Cavities don’t form overnight. In most cases, it can take several months for the first signs of decay to appear, and in some people, it may take a year or more. The process begins when harmful bacteria in the mouth interact with sugary, starchy food and produce […]