• Ana Pejcić, Ljiljana Kesić, Zoran Pesić, Dimitrije Mirković, and Mariola Stojanović.
• Department of Periodontology and Oral Medicine, University of Nii, Serbia. apejcic74@gmail.com
• Acta Clin Croat. 2011 Jun 1; 50 (2): 159-67.

AbstractPeriodontal disease is considered to be an inflammatory disorder that is related to the accumulation of oral microbial biofilm and the host response to this accumulation. The host reaction to gingival microorganisms is characterized in part by increase in the polymorphonuclear leukocyte counts, which is one of the most important steps in host defense. Exaggerated leukocytes and neutrophils of host response are a very important component in the pathogenesis of periodontal disease. The purpose of this study was to investigate the relationship between white blood cell count and periodontal disease in subjects with moderate and severe periodontitis and in control subjects with healthy periodontal tissues. Leukocytes for the present study were obtained from peripheral venous blood of 50 patients with moderate periodontitis, 50 patients with severe periodontitis and 25 healthy subjects. The clinical parameters of periodontitis including plaque index, bleeding on probing and gingival index were determined in all study subjects. In both moderate and severe periodontitis, the results indicated a significantly higher count ofneutrophils (P < 0.001), as well as of both lymphocytes and total leukocytes (P < 0.05). The values of clinical parameters (plaque index, gingival index and bleeding on probing) also showed significant between-group differences (P < 0.005 and P < 0.001, respectively). It is possible that there is a significant relationship between total leukocyte count, neutrophil count and different forms of periodontal disease.

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