Red, swollen, or puffy gums
Gums that bleed when brushing or flossing
Tender or sensitive gums
Bad breath that does not go away
Gums that look darker red than usual
Receding gums
A change in the way your teeth fit together
Soft or shiny-looking gums
Mild discomfort when eating or brushing
Plaque buildup along the gumline
Tartar buildup near the gums
Loose-feeling teeth in more advanced cases