The old health problem: Tooth decay
Some commensal bacteria on the skin prevent these areas from being inhabited by other destructive bacteria. It encourages that the bacteria are winning if the host is hurt by the bacteria supremacy. Some useful bacteria prevent other aggressive cells from settling in the mouth; while other bacteria live in addition to them.
If the host is hurt by the bacteria supremacy, it suggests that the bacteria are winning. Some useful bacteria prevent other aggressive cells from settling in the mouth; while other bacteria cohabit with them.