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In vitro antibacterial activity of a silicone-based endodontic sealer and two conventional sealers

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In vitro antibacterial activity of a silicone-based endodontic sealer and two conventional sealers

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Título In vitro antibacterial activity of a silicone-based endodontic sealer and two conventional sealers
Autor Wainstein, Marcela
Morgental, Renata Dornelles
Waltrick, Silvana Beltrami Gonçalves
Oliveira, Sílvia Dias de
Vier-Pelisser, Fabiana Vieira
Figueiredo, Jose Antonio Poli de
Steier, Liviu
Tavares, Cauana Oliva
Scarparo, Roberta Kochenborger
Abstract : The aim of this study was to evaluate whether the modification in the silver component is capable of providing GuttaFlow 2 with antibacterial activity against Enterococcus faecalis compared with epoxy resin-based (AH Plus) and zinc oxide and eugenol-based (Endofill) sealers. The antibacterial activity was evaluated using a reference strain of E. faecalis (ATCC 29212). Freshly mixed sealers were subjected to the agar diffusion test (ADT), while the direct contact test (DCT) was performed after materials setting. ADT results were obtained through measurements, in millimeters, of the inhibition zones promoted by the materials, using a digital caliper. In DCT, values of CFU/mL promoted by the three sealers were compared in three experimental periods (1 min, 1 h, and 24 h). The data were analyzed using Kruskal-Wallis and Dunn post-hoc tests (p < 0.05). In both ADT and DCT, GuttaFlow 2 presented no effect against E. faecalis, while Endofill and AH Plus showed similar inhibition zones. Endofill was the only material capable of reducing bacterial growth in DCT. In conclusion, modifications in the silver particle of GuttaFlow 2 did not result in a sealer with antibacterial effect against E. faecalis.
Contido em Brazilian oral research. São Paulo. Vol. 30, no. 1 (2016), p. e18, 1-5
Assunto Endodontia
Enterococcus faecalis
Materiais odontologicos
Tratamento do canal radicular
[en] Root canal filling materials
[en] Root canal obturation
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/164856
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