Aggressive periodontitis refers to the multifactorial, severe, and rapidly progressive form of periodontitis, which primarily but not exclusively affects younger patients. Aggressive periodontitis generally affects systemically healthy individuals less than 30 years of age, though patients may be older. At the "International Workshop for a Classification of Periodontal Diseases and Conditions" in 1999, the classification of periodontal diseases was revised (Armitage 1999). The various types of periodontitis were divided into three main categories (chronic, aggressive and necrotizing periodontitis) as well as into a periodontal, a manifestation of systemic diseases. Aggressive periodontitis is distinguished from chronic periodontitis by the age of onset, the rapid rate of destruction, composition of the subgingival microflora, alteration in the host immune response, familial aggregation of diseased individuals, and a strong racial influence. This article is about treating a case of aggressive periodontitis in a conservative manner by combining periodontal therapy and antimicrobial treatment.