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Authordc.contributor.authorDávila-Sánchez, Andrés 
Authordc.contributor.authorGutiérrez Reyes, Mario 
Authordc.contributor.authorBermúdez, Jorge Pailover 
Authordc.contributor.authorMéndez Bauer, María Lujan 
Authordc.contributor.authorHilgemberg, Bruna 
Authordc.contributor.authorSauro, Salvatore 
Authordc.contributor.authorLoguercio, Alessandro D. 
Authordc.contributor.authorGalvao Arrais, César Augusto 
Admission datedc.date.accessioned2020-11-03T14:02:40Z
Available datedc.date.available2020-11-03T14:02:40Z
Publication datedc.date.issued2020
Cita de ítemdc.identifier.citationDental Materials Volumen: 36 Número: 9 Páginas: 1151-1160 Sep 2020es_ES
Identifierdc.identifier.other10.1016/j.dental.2020.05.007
Identifierdc.identifier.urihttps://repositorio.uchile.cl/handle/2250/177536
Abstractdc.description.abstractObjectives. To evaluate the effect of experimental dentin pre-treatment solutions formulated with different flavonoids on microtensile bond strength (mu TBS), nanohardness (NH) and ultra-morphological characteristics of artificial caries-affected dentin (CAD) bonded using a universal bonding system. Methods. A microbiological method was used to create an artificial CAD in 91 human molars. Five experimental pre-treatment solutions were created using the following flavonoids: quercetin (QUE); hesperidin (HES); rutin (RUT); naringin (NAR), or proanthocyanidin (PRO). A placebo solution (PLA) with no flavonoids added was also evaluated. The flavonoids or placebo solutions were applied to the CAD prior to the application and photoactivation of a universal adhesive (Scotchbond Universal, 3M Oral Care). A control group (CON), in which only the bonding agent was applied without any flavonoid solution, was also evaluated. A 3-mm-thick block of resin composite (Opallis, FGM) was built up on the flat bonded CAD surfaces and was light-cured following the manufacturer's instructions. Specimens were sectioned to obtain resin-dentin slices and sticks (cross-sectional area of 0.8 mm(2)). The mu TBS, NH, and confocal ultramorphology analysis of resin-dentin interface was evaluated at 24 h and after thermo-cycling aging (25,000 cycles). The results were analyzed using 2-way ANOVA followed by Bonferroni's post hoc test (pre-set alpha = 0.05). Results. The specimens from groups QUE, NAR, and RUT presented greater mu TBS values than those from CON group (p<0.05). Specimens from some of these experimental groups presented greater nanomechanical properties (p<0.05), and no morphological degradation at the resin-dentin interface after aging. Significance. The use of exogenous cross-linkers as dentin pre-treatment before bonding procedures may represent a suitable strategy to improve the longevity of universal adhesive systems applied to caries-affected dentin.es_ES
Patrocinadordc.description.sponsorshipPrograma de Consolidacion de Indicadores: Fomento Plan Estatal[CEU-UCH 2018-2020]es_ES
Lenguagedc.language.isoenes_ES
Publisherdc.publisherElsevieres_ES
Sourcedc.sourceDental Materialses_ES
Keywordsdc.subjectCarieses_ES
Keywordsdc.subjectNanoindentationes_ES
Keywordsdc.subjectBondinges_ES
Keywordsdc.subjectBiomaterialses_ES
Keywordsdc.subjectUniversal adhesiveses_ES
Títulodc.titleInfluence of flavonoids on long-term bonding stability on caries-affected dentines_ES
Document typedc.typeArtículo de revistaes_ES
dcterms.accessRightsdcterms.accessRightsAcceso a solo metadatoses_ES
Catalogueruchile.catalogadorcrbes_ES
Indexationuchile.indexArtículo de publicación ISI
Indexationuchile.indexArtículo de publicación SCOPUS


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