Avaliação do efeito antimicrobiano de pasta proheal impregnada em diferentes fios de sutura

Abstract

In addition to promoting closure of the wound, in the oral environment, the suture threads become a retentive factor of bacterial plaque in the postoperative period, and thus becomes another object of hygiene attention. The aim of the present study was to test the antimicrobial effect of impregnation pastes on different suture threads. Saliva samples were incubated in aerobiosis and anaerobiosis to test the antimicrobial effect of three products (2% chlorhexidine, 2% chlorhexidine with 4% marigold, and Proheal) combined or not with nylon and silk suture threads. After the incubation period, the inhibition halo was measured with and without the test products; and counting of colony forming units (CFUs). It was observed that Proheal and placebo were not able to produce some halo either in aerobiosis or anaerobiosis. Regarding the CFU count, Proheal did not differ from placebo, and was significantly higher when compared to chlorhexidine products (p <0.0001). There were no significant differences between the sutures. It can be concluded that the in vitro antimicrobial effect of Proheal paste on salivary microorganisms was significantly lower than that observed with chlorhexidine products; and the results observed for suture, nylon and silk threads were similar between them.