The only effective way of preventing gum disease is to prevent or minimize the build up of plaque and the formation of calculus. The best way is to brush and floss your teeth regularly twice a day. People with advanced stages of gum disease may need to use accessory gadgets to enable them to clean thoroughly. Most people think that simply brushing their teeth is enough to retain fresh breath, and make positive impressions on others. The early stages of gingivitis are completely reversible with professional treatment and regular follow-ups. In advanced stages of periodontitis, dental treatment can stop further deterioration of the gum and the bone. However the changes are not reversible. In the early stages, scaling the teeth can treat gum disease. The best way to prevent swollen gums is by brushing and flossing daily, and by visiting the dentist for a routine cleaning and an examination.