How do I avoid developing periodontal disease?

Maintain Hygiene . See your hygienist at the prescribed frequency for you, no longer than 6 months, (some people are 3-4 months). Follow home care instructions given. Maintain effective home care with proper brushing minimally twice a day, preferably with an electric toothbrush, and floss daily! ask your dental professional for instructions for oral hygiene if you are not sure if you are being effective.
Oral hygiene. Regular brushing, flossing and regular dental cleaning by a dental hygienist.
Effort. World health organization study shows a majority of adults have some degree of periodontal disease. This is the oral-systemic link where bacteria from the mouth enter the bloodstream through bleeding gums. Leads to medical problems. See your dentist to formulate a plan. Look up perio protect as a non-surgical treatment option to reverse damage.