Abstract :The periodontal abscesses are lokalized purulent infections of periodontal tissue. The periodontal abscess is the third most frequent dental emergency and it is specialy prevalent among untreated periodontal patients and periodontal patients during maintenance. In this article, a patient with periodontal abscess due to poor oral hygiene was treated periodontically 3 days after the start of antibiotic therapy. Periodontal maintenance therapy was provided every 2 weeks. The clinical features and likely healing results of the lesion were discussed and related literatures were reviewed.