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|Type:||Artigo de periódico|
|Title:||Evaluation of Cytotoxicity and Physicochemical Properties of Calcium Silicate-based Endodontic Sealer MTA Fillapex|
|Abstract:||Introduction: The aim of the study was to evaluate the cytotoxicity, radiopacity, pH, and flow of a calcium silicate based and an epoxy resin based endodontic sealer, MTA Fillapex (Angelus, Londrina, PR, Brazil) and AH Plus (Dentsply, Konstanz, Germany), respectively. Methods: Cytotoxicity, radiopacity, and flow evaluation were performed following ISO requirements. The pH level was measured at periods of 3, 24, 72, and 168 hours. Cytotoxicity was evaluated by 3-(4,5-dimethylthiazol-2-yl)2,5-diphenyl tetrazoliunn bromide assay to check the Balb/c 313 cells viability at 1- to 4-week periods. Data were statistically analyzed by analysis of variance and the Tukey test with a significance level of 5%. Results: In all tested periods, MTA Fillapex was more cytotoxic than AH Plus (P < .05). Although AH Plus presented higher radiopacity than MTA Fillapex (P < .05), both. sealers showed minimum required values. MT-A Fillapex presented alkaline pH in all experimental times, whereas AH Plus cement showed a slightly neutral pH and a flow significantly lower than that of MIA Fillapex (P < .05). Conclusions: Although MIA Fillapex was more cytotoxic than AH Plus, it showed suitable physicochemical properties for an endodontic sealer. (J Endod 2013;39:274-277)|
root canal sealer
|Editor:||Elsevier Science Inc|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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