How plaque turns into gum damage
A toothbrush cleans the broad, visible surfaces of teeth, but bristles often miss the tight spaces where neighboring teeth meet and the narrow groove at the gumline. Bacteria in those sheltered spots form plaque, a sticky film that keeps building unless it is physically disturbed. Floss is one way to reach and clean these areas.
If plaque remains, the gums may respond to the bacteria with inflammation. This early stage, called gingivitis, can make gums red, tender, or prone to bleeding. The bleeding is a sign that gum tissue is irritated—not a reason to avoid cleaning the area. Removing plaque can allow this inflammation to improve.
When inflammation reaches deeper tissues
If the process continues, the gum can pull away from the tooth and form a deeper pocket where more plaque collects. The body’s ongoing inflammatory response can then damage the tissues and bone that support the tooth. This more serious condition is called periodontitis. As support is lost, teeth may loosen; damage that has already occurred is not simply reversed by flossing later.
The change can be gradual, and gum disease may not hurt in its early stages. That is why the space between teeth matters even when nothing seems stuck there: the concern is not only trapped food, but a film of bacteria that can persist out of sight.
