the effect of essential oils and bioactive fractions on streptococcus mutans and candida albicans biofilms: a confocal analysis

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ID: 253048
2015
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Abstract
The essential oils (EO) and bioactive fractions (BF) from Aloysia gratissima, Baccharis dracunculifolia, Coriandrum sativum, Cyperus articulatus, and Lippia sidoides were proven to have strong antimicrobial activity on planktonic microorganisms; however, little is known about their effects on the morphology or viability of oral biofilms. Previously, we determined the EO/fractions with the best antimicrobial activity against Streptococcus mutans and Candida spp. In this report, we used a confocal analysis to investigate the effect of these EO and BF on the morphology of S. mutans biofilms (thickness, biovolume, and architecture) and on the metabolic viability of C. albicans biofilms. The analysis of intact treated S. mutans biofilms showed no statistical difference for thickness in all groups compared to the control. However, a significant reduction in the biovolume of extracellular polysaccharides and bacteria was observed for A. gratissima and L. sidoides groups, indicating that these BF disrupt biofilm integrity and may have created porosity in the biofilm. This phenomenon could potentially result in a weakened structure and affect biofilm dynamics. Finally, C. sativum EO drastically affected C. albicans viability when compared to the control. These results highlight the promising antimicrobial activity of these plant species and support future translational research on the treatment of dental caries and oral candidiasis.
Reference Key
freires2015evidence-basedthe Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Irlan Almeida Freires;Bruno Bueno-Silva;Lívia Câmara de Carvalho Galvão;Marta Cristina Teixeira Duarte;Adilson Sartoratto;Glyn Mara Figueira;Severino Matias de Alencar;Pedro Luiz Rosalen
Journal ACS applied materials & interfaces
Year 2015
DOI
10.1155/2015/871316
URL
http://dx.doi.org/10.1155/2015/871316
Keywords
Other systems of medicine

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