<p>In order to assess the impact of chronic generalized periodontitis of moderate severity in the acute stage to the quality of life of patients, depending on age and its dynamics on the background of the therapy were examined and interviewed 60 people. Based on the analysis of subjective self-assessment using a questionnaire oHip-49-Ru and clinical observations found a direct dependence of the quality of life of the age, which manifests itself in a lower level it initially and after therapy despite an identical diagnosis and amount of treatment in patients over 45 years, which may serve as a basis for increasing the volume or duration of treatment with the same diagnosis in patients older age groups.</p>