The inflammatory diseases of periodont are a serious medical social problem. The OHIP-14, the questionnaire concerning the quality of life is one of the most applied in stomatology. In stomatology, the most frequently applied questionnaire concerning life quality is OHIP-14. The patients participated in the study were divided on three groups depending on tactics of treatment. The application of comprehensive periodontological treatment enhances the life quality on all scales both in patients with severe chronic periodontitis and in patients with aggressive periodontitis. The life quality enhanced the most in patients underwent repeatedly the supportive therapy.