Assessment of cuspal deflection and volumetric shrinkage of different bulk fill composites using non-contact phase microscopy and micro-computed tomography

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dc.contributor.authorPrager, M.
dc.contributor.authorPierce, M.
dc.contributor.authorAtria, P.J.
dc.contributor.authorSampaio, C.
dc.contributor.authorCáceres, E.
dc.contributor.authorWolff, M.
dc.contributor.authorGiannini, M.
dc.contributor.authorHirata, R.
dc.date.accessioned2019-06-17T15:22:53Z
dc.date.available2019-06-17T15:22:53Z
dc.date.issued2018
dc.descriptionIndexación: Scopus.es_ES
dc.description.abstractThe understanding of cuspal deflection and volumetric shrinkage of resin composites is necessary to assess and improve the placement techniques of resin-based materials. The aim of this study was to investigate the cuspal deflection and its relationship with volumetric polymerization shrinkage of different bulk-fill resin composites. The investigation was conducted using non-contact phase microscopy and micro-computed tomography. Thirty custom-milled aluminum blocks were fabricated for microscopy analysis and thirty-six tooth models with standardized Class I cavities were used for micro-computed tomography analysis. Results showed that high-viscosity composites present higher cuspal deflection compared to bulk-fill composites. The filler loading of resin composites seems to have an effect on cusp deflection, since the higher the filler content percentage, the higher the cusp deflection. On the other hand, it seems to have an opposite effect on volumetric shrinkage, since higher filler loadings produced lower volumetric shrinkage percentages. © 2018, Japanese Society for Dental Materials and Devices. All rights reserved.es_ES
dc.description.urihttps://www.jstage.jst.go.jp/article/dmj/37/3/37_2017-136/_article
dc.identifier.issn0287-4547
dc.identifier.otherDOI: 10.4012/dmj.2017-136
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/9172
dc.language.isoenes_ES
dc.publisherJapanese Society for Dental Materials and Deviceses_ES
dc.subjectCompositees_ES
dc.subjectComputed-tomographyes_ES
dc.subjectCuspales_ES
dc.subjectLight-curinges_ES
dc.subjectShrinkagees_ES
dc.titleAssessment of cuspal deflection and volumetric shrinkage of different bulk fill composites using non-contact phase microscopy and micro-computed tomographyes_ES
dc.typeArtículoes_ES
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