[Periodontitis and systemic diseases].

Periodontitis is a condition of suffering of gingival and periodontal tissues. To the light of the available knowledges till now on the pathogenetic mechanisms of such affection is possible to affirm that the different risk factors can influence onset of it, evolution and therapeutic possibility. In the examination of the risk factors in the development of the periodontal pathology the effects of the systemic conditions on the health of the oral cavity has been considered, as well as the influence of the periodontal pathology on the onset and on the evolution of several systemic pathologies and related to some physiological conditions (e.g. the pregnancy).