Resumo

BARBIERI PETRELLI, G.; FLORES GUILLEN, J.  e  VIGNOLETTI, F.. The neutrophil and the relationship with the periodontal disease. Avances en Periodoncia [online]. 2005, vol.17, n.1, pp.11-16. ISSN 2340-3209.

This paper reviews the role of the neutrophil in the immune system and the relationship between this cell and periodontal disease. The immune system represents the individual´s defences avoiding the entry of foreign agents into the organism, or otherwise trying to destroy them if the biological barriers are trespassed. Neutrophil is one of the most important cells of the immune system, and represents the first defence line against bacterial and fungal infections. Deficiency in its number and/or function can elicit the development of periodontal disease due to a decreased immune response. On the other hand, a hyperactivity or an excessive release of the cell's content into the extracellular compartment, can produce tissue damage, which is the main consequence of periodontal disease.

Palavras-chave : Neutrophil; immune system; periodontal disease.

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