Posted in Web How to Treat Periodontal Disease: 14 Steps (with Pictures) February 15, 2021 How to Treat Periodontal Disease. Periodontal disease is a serious bacterial infection of the gums that, if left untreated, will eventually destroy the gums, ligaments and bones supporting your teeth, leading to tooth loss. https://www.wikihow.com/Treat-Periodontal-Disease