[The clinical effectiveness of long-term azithromycin in patients with chronic generalized periodontitis].

The purpose of the study was to compare the clinical response to two regimes of azithromycin use in the complex of non-surgical periodontal therapy. After initial periodontal therapy of chronic generalized periodontitis (CGP), 60 patients were randomly assigned to three groups. In group I patients underwent standard medical care; In group II - patients underwent standard medical care and azithromycin: 500 mg once per day, during 3 days; In group III: 500 mg once per day, during 7 days, followed by 500 mg once per week during 12 weeks.