Staphylococcus spp. in the oral cavity and periodontal pockets of chronic periodontitis patients

Staphylococcus spp. nao sao usualmente isolados a partir da cavidade bucal. Quando presentes, sao considerados pertencentes a microbiota transitoria. Individuos que apresentam doenca periodontal representam possiveis reservatorios dessas bacterias oportunistas na cavidade bucal. O uso de antibioticos para o tratamento da doenca periodontal ou outras infeccoes pode predispor o aumento do numero de Staphylococcus spp. na boca, pois estes adquirem facilmente resistencia aos antibioticos, podendo resultar em superinfeccao. O objetivo deste estudo foi verificar a presenca de Staphylococcus spp. na cavidade bucal e nas bolsas periodontais de pacientes com periodontite cronica; identificar as cepas isoladas; verificar a relacao entre a presenca de Staphylococcus spp. na cavidade bucal e presenca de bolsa periodontal. Participaram deste estudo 88 pacientes, entre 25 e 60 anos de idade e apresentando periodontite cronica, com pelo menos dois sitios com profundidade de sondagem maior ou igual a 5mm. Apos anamnese e exame clinico periodontal foram feitas coletas de material da bolsa periodontal com cones de papel e da cavidade bucal por meio de bochechos. Do total de pacientes 37,50% apresentaram Staphylococcus spp. na bolsa periodontal e 61,36% na cavidade bucal, sendo que 27,27% apresentaram a bacteria nos 2 sitios. S. epidermidis foi a especie mais prevalente para bolsa periodontal (15,9%) e cavidade bucal (27,27%). Nao houve diferenca estatistica significante quanto a presenca desses microrganismos entre as faixas etarias e aumento da profundidade de sondagem. A presenca de bacterias oportunistas na cavidade bucal pode representar dificuldades para a manutencao do tratamento periodontal.

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