Periodontics is the study, prevention, diagnosis, and treatment of periodontal disease. Periodontal disease or gum disease, affects the tissues which keep you teeth in place. When tartar, plaque and bacteria build up around the tooth its supporting tissue is compromised. If this is not diagnosed and treated in time it may result in the loss of the tooth or even bone loss. Periodontics restores and rebuilds the look and function of a mouth affected by gum disease.