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Study of two MTA cements

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Study of two MTA cements

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dc.contributor.author Berástegui Jimeno, Esther María es
dc.contributor.author Valmaseda Castellón, E. es
dc.contributor.author Faus Llácer, Vicente es
dc.contributor.author Ballestar Tarín, María Luisa es
dc.contributor.author Berini Aytés, Leonardo es
dc.date.accessioned 2015-01-08T12:34:43Z
dc.date.available 2015-01-08T12:34:43Z
dc.date.issued 2014 es
dc.identifier.citation Berástegui Jimeno, Esther María ; Valmaseda Castellón, E. ; Faus Llácer, Vicente ; Ballester, María Luisa ; Berini Aytés, Leonardo. Study of two MTA cements. En: Medicina oral, patología oral y cirugía bucal. Ed inglesa, 2014, Vol. 19, No. 6: 634-638 es
dc.identifier.uri http://hdl.handle.net/10550/41160
dc.description.abstract Introduction: To determine and compare the pH, conductivity and calcium release of an experimental Portland cement (PE) consisting of trioxid mineral aggregate and a comercially available modified Portland cement (C.P.M.) after 1, 2, 3, 4, 8, 10, 15 and 30 days. Material and Methods: Cements were mixed following the manufacturer's instructions, with a powder: liquid ratio of 3:1. Each cement was placed in 12 PVC tubes 1 mm in diameter and 10 mm in length and allowed to set. Four empty tubes were used as negative controls. Tubes were submerged in plastic flasks containing 10 ml deionized water and stored at 37ºC and 100% humidity. After 1, 2, 3, 4, 8, 10, 15 and 30 days tubes were removed from the flasks and these were refilled with deionized water. We measured pH, conductivity and calcium content of the recovered solution. Data were analyzed using repeated measures ANOVA. Results: pH was 0.3 units more alkaline with PE cement ( p =0.023). pH experienced a slight decrease with time ( p <0.001), independently of the cement type ( p >0.05). Conductivity of PE and CPM cements diminished at 4 days and almost recovered at 30 days ( p <0.001). PE cement had a higher conductivity ( p <0.001). Calcium release diminished from the first day and recovered at 30 days ( p <0.001) similarly for both cements ( p >0.05). Conclusions: PE cement raised pH slightly more and had higher conductivity than CPM. Calcium release diminished after the first day and recovered at 30 days, similarly for both cements. en_US
dc.subject Odontología es
dc.subject Ciencias de la salud es
dc.title Study of two MTA cements es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.type.hasVersion VoR es_ES
dc.identifier.url http://www.medicinaoral.com/pubmed/medoralv19_i6_p634.pdf es

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