A cavity is formed after a long-term biofilm is left on the teeth. If you have biofilm on a tooth, whether it's soda, sticky foods, or whatever, and it's not removed, then it causes acid.

Communication between the microorganisms modulates the structure, composition and pathogenic potential of the biofilms. Oral streptococci are especially important because they are primary colonisers ...

Adhesion is crucial in microbial biofilms that are vulnerable to flow ... episymbiotic bacteria residing within the human ...