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In vitro comparison of dentinal superficial micro-hardness change between two endodontic irrigation sequences

Comparación in vitro del cambio de microdureza superficial dentinaria entre dos secuencias de irrigación endodóntica

dc.creatorIrigoyen, Aitziber
dc.creatorSantis, Sofía
dc.creatorSoto, Iván
dc.creatorMarchant, Carlos
dc.date2020-04-29
dc.identifierhttps://revistas.uv.cl/index.php/asid/article/view/2107
dc.identifier10.22370/asd.2020.1.1.2107
dc.descriptionObjectives: to compare changes in surface microhardness of dentinal root (MSD) with two irrigation sequences (SI) using a Vickers microhardness test (VHN). Methods: 20 samples were prepared by longitudinal cutting of 10 unirradiculated human tooth. Two IS were prepared, a traditional one (5% NaOCl, saline 0,9%, 17% EDTA and saline 0,9%) and a modified one (traditional plus a final irrigation of 5% NaOCl), each irrigant isolated in a glass plate. In two groups of 10 samples (traditional IS and modified IS) 5 identations were performed by a Vickers microdurometer prior and after the IS immersion of the samples. The average of Vickers microhardness (VMT) of the samples was obtained and compared statistically. 0.05 P value. Results: A statistical difference of superficial microhardness was found among pre-irrigation (control) and post-irrigation in both protocols. Nonetheless, there was not a statistical difference among both protocols. Use of EDTA followed by NaOCl did not show a significant decrease of dentinal superficial microhardness. Conclusion: Use of NaOCl after EDTA did not show a significant decrease of dentinal superficial microhardness. Objectives: to compare changes in surface microhardness of dentinal root (MSD) with two irrigation sequences (SI) using a Vickers microhardness test (VHN).Methods: 20 samples were prepared by longitudinal cutting of 10 unirradiculated human tooth. Two IS were prepared, a traditional one (5% NaOCl, saline 0,9%, 17% EDTA and saline 0,9%) and a modified one (traditional plus a final irrigation of 5% NaOCl), each irrigant isolated in a glass plate. In two groups of 10 samples (traditional IS and modified IS) 5 identations were performed by a Vickers microdurometer prior and after the IS immersion of the samples. The average of Vickers microhardness (VMT) of the samples was obtained and compared statistically. 0.05 P value.Results: A statistical difference of superficial microhardness was found among pre-irrigation (control) and post-irrigation in both protocols. Nonetheless, there was not a statistical difference among both protocols. Use of EDTA followed by NaOCl did not show a significant decrease of dentinal superficial microhardness.Conclusion: Use of NaOCl after EDTA did not show a significant decrease of dentinal superficial microhardness.en-US
dc.descriptionObjetivo: Comparar el cambio de microdureza superficial de la dentina radicular (MSD) ante dos secuencias de irrigación (SI) mediante prueba de microdureza Vickers (VHN).Materiales y Métodos: 10 dientes humanos unirradiculados se cortaron longitudinalmente para obtener 20 muestras. Se prepararon dos SI, una tradicional (NaOCl 5%, suero 0,9%, EDTA 17%, suero 0.9%) y una modificada (tradicional más irrigación final con NaOCl 5% + suero 0,9%), separando cada irrigante en una placa de vidrio. En dos grupos de 10 muestras (SI tradicional y SI modificada) se realizaron 5 identaciones con microdurómetro Vickers antes y después de sumergir las muestras en las SI. Se obtuvo el promedio de microdureza Vickers (VHN) de las muestras y se compararon estadísticamente. P valor de 0.05.Resultados: Se obtuvieron diferencias estadísticamente significativas entre la microdureza superficial dentinaria medida pre-irrigación (control) y post-irrigación en ambos protocolos, sin embargo, no se encontraron diferencias estadísticamente significativas entre ambos protocolos.Conclusión: Las SI -tanto tradicional como modificada -generan los mismos cambios en la microdureza superficial de la dentina radicular no presentando diferencias entre una y otra.es-ES
dc.formatapplication/pdf
dc.languagespa
dc.publisherUniversidad de Valparaísoes-ES
dc.relationhttps://revistas.uv.cl/index.php/asid/article/view/2107/2122
dc.rightsDerechos de autor 2020 Applied Sciences in Dentistryes-ES
dc.sourceApplied Sciences in Dentistry; Vol. 1 No. 1 (2020): Enero-Abrilen-US
dc.sourceApplied Sciences in Dentistry; Vol. 1 Núm. 1 (2020): Enero-Abriles-ES
dc.source0719-5761
dc.source0719-5761
dc.subjectEndodonticsen-US
dc.subjectirrigatorsen-US
dc.subjectcoronal sealingen-US
dc.subjectadhesive systemsen-US
dc.subjecthybrid layeren-US
dc.subjectEndodonciaes-ES
dc.subjectIrriganteses-ES
dc.subjectSellado Coronales-ES
dc.subjectSistemas Adhesivoses-ES
dc.subjectCapa híbridaes-ES
dc.titleIn vitro comparison of dentinal superficial micro-hardness change between two endodontic irrigation sequencesen-US
dc.titleComparación in vitro del cambio de microdureza superficial dentinaria entre dos secuencias de irrigación endodónticaes-ES
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion


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