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MTA HP Repair stimulates in vitro an homogeneous calcium phosphate phase coating deposition

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MTA HP Repair stimulates in vitro an homogeneous calcium phosphate phase coating deposition

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dc.contributor.author Jiménez Sánchez, María del Carmen es
dc.contributor.author Segura-Egea, Juan J. es
dc.contributor.author Díaz Cuenca, María Aránzazu es
dc.date.accessioned 2019-07-02T09:25:54Z
dc.date.available 2019-07-02T09:25:54Z
dc.date.issued 2019 es
dc.identifier.citation Jiménez Sánchez, María del Carmen ; Segura-Egea, Juan J. ; Díaz Cuenca, María Aránzazu. MTA HP Repair stimulates in vitro an homogeneous calcium phosphate phase coating deposition. En: Journal of Clinical and Experimental Dentistry, 11 4 2019: 322-326 es
dc.identifier.uri https://hdl.handle.net/10550/70650
dc.description.abstract To study the mineralization capacity in vitro of the bioceramic endodontic material MTA HP Repair. Bioactivity evaluation in vitro was carried out, by soaking processed cement disk in simulated body fluid (SBF) during 168 h. The cement surface was studied by Fourier transform infrared spectroscopy (FT-IR), field emission gun scanning electron microscopy (FEG-SEM) and energy dispersive X-ray analysis (EDX). Release to the SBF media of ionic degradation products was monitored using inductively coupled plasma atomic emission spectroscopy (ICP-AES). FT-IR showed increasing formation of phosphate phase bands at 1097, 960, 607 and 570 cm-1 with prolonged SBF soaking. FEG-SEM analysis reveals that HP produces a effectively surface covering consisting in homogeneous spherical phosphate phase aggregates with an average diameter of 0.5-1.0 µm. EDX analysis comparing un-treated (hydrated), 24 h and 72 h SBF treated surfaces of MTA HP Repair revealed phosphate deposition after 24 h, with high phosphorous/silicon element ratio signal measured after 24 h, indicating a very high phosphate phase deposition for this material. The study shows that MTA HP Repair produces a quick and effective bioactive response in vitro in terms of crystalline calcium phosphate surface coating formation. The high bioactive response of MTA HP Repair makes it an interesting candidate for endodontic use as repair cement. es
dc.title MTA HP Repair stimulates in vitro an homogeneous calcium phosphate phase coating deposition es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.55661 es
dc.type.hasVersion VoR es_ES

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