Best Dental clinic in kovilambakkam. Bleeding Gums & Gum Disease: Do your gums ever bleed while brushing your teeth? Are they tender? Are you experiencing frequent bad breath? You may have gingivitis or gum disease. When we are not brushing and flossing regularly and correctly, bacteria may cause an infection in your gums. Gingivitis is a reversible condition, but if left untreated, it can progress into a treatable, but irreversible condition. known as periodontal disease (gum disease).