140 страниц. 2011 год. LAP Lambert Academic Publishing Aggressive periodontitis is periodontal destruction that is become clinically significant around adolescence or early adult hood. The disease has been classified as localized and generalized periodontitis. Microorganisms and immune defects have been implicated in the pathogenesis of the disease. We try in this book to investigate some immunological, microbial and biochemical changes in serum and saliva of selected patients.