How Bacteria Cause Cavities: The Role of Microorganisms & Acids

Microorganisms promote the development of dental cavities by utilizing carbohydrates and producing acids as by-products. These acids dissolve the hard tissues of the teeth, leading to the formation of cavities. The process begins with the formation of plaque, a sticky film of bacteria that forms on the teeth. Plaque bacteria feed on sugars from food and drinks, and produce acids as a waste product. These acids attack the enamel of the teeth, causing it to break down and form cavities.