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RGO.Revista Gaúcha de Odontologia (Online)
versão On-line ISSN 1981-8637
Resumo
FORTES, Carmen Beatriz Borges et al. Acrylic resin disinfection by peracetic acid and microwave energy. RGO, Rev. gaúch. odontol. (Online) [online]. 2015, vol.63, n.3, pp. 315-318. ISSN 1981-8637.
Objective The objective of this study was to evaluate the effectiveness of disinfection methods in microwave and immersion in peracetic acid in heatcured, self-cured and microwave-cured acrylic resin, contaminated with Candida albicans. Methods Five specimens were prepared for each type of acrylic resin. All were infected with Candida Albicans, incubated at 37°C for 24 hours. The group which underwent microwave energy was irradiated with a power of 840W for 1 minute and the other group underwent disinfection by soaking of 0.2% peracetic acid for 5 minutes. Results All samples proved to be contaminated after the incubation period. After the different processes of disinfection, both immersion in 0.2% peracetic acid as microwave irradiation were effective in disinfection of the 3 types of acrylic resins contaminated by Candida Albicans. Conclusion Concluded that soaking in 0,2% peracetic acid for 5 minutes with microwave irradiation power 840W for 1 minute are effective methods for disinfecting heat-cured acrylic resin, self-cured acrylic resin and microwave-cured acrylic resin, contaminated with Candida Albicans.
Palavras-chave : Acrylic resins.; Microwaves.; Peracetic acid..