Influence of Optional Crystallization Firing on the Adhesion of Zirconia-Reinforced Lithium Silicate before and after Aging

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dc.contributor.authorRodrigues, Murilo Rocha [UNESP]
dc.contributor.authorGrangeiro, Manassés Tercio Vieira [UNESP]
dc.contributor.authorRossi, Natalia Rivoli [UNESP]
dc.contributor.authorde Carvalho Ramos, Nathalia [UNESP]
dc.contributor.authorde Carvalho, Rodrigo Furtado
dc.contributor.authorKimpara, Estevão Tomomitsu [UNESP]
dc.contributor.authorTribst, João Paulo Mendes
dc.contributor.authorde Arruda Paes Junior, Tarcisio José [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionFederal University of Juiz de Fora
dc.contributor.institutionUniversiteit van Amsterdam and Vrije Universiteit Amsterdam
dc.date.accessioned2023-07-29T16:01:39Z
dc.date.available2023-07-29T16:01:39Z
dc.date.issued2022-12-01
dc.description.abstractThis study proposed to evaluate the influence of the crystallization firing process and the hydrothermal degradation on the bond strength between different reinforced glass-ceramics and resin cement. Material and Methods: zirconia-reinforced lithium silicate (ZLS) and lithium disilicate (LD) were divided into six groups according to aging simulation (baseline or after thermocycling) and restorative approach (ZLS without firing; ZLS with firing; LD with firing). ZLS and LD surfaces were etched with 5% hydrofluoric acid for 30 s and 20 s, respectively, and then received a layer of silane coupling agent (Monobond-N). Then, cylinders of resin cement (1 mm diameter × 2 mm height) were bonded onto their surfaces. The baseline samples were immersed in distilled water for 24 h before the microshear bond strength (µSBS) test, while half of the specimens were tested after 6000 cycles of thermocycling aging. The types of failures were analyzed through stereomicroscopic and scanning electron microscope. The failure modes were classified as adhesive, predominantly adhesive, cohesive in ceramic, or cohesive in cement. The µSBS data were analyzed by two-way ANOVA and Tukey’s test. A restorative approach (p = 0.000) and aging (p = 0.000) affected the bond strength. The highest bond-strength values were observed in the ZLS without the optional crystallization firing. The most frequent failures were adhesive and predominantly adhesive. The cementation of zirconia-reinforced lithium silicate without the optional crystallization firing process leads to high bond-strength values with resin cement.en
dc.description.affiliationDepartment of Dental Materials and Prosthodontics Institute of Science and Technology Sao Paulo State University (UNESP), Eng. Francisco José Longo Avenue, 777
dc.description.affiliationHealth Applied Sciences Post Graduate Program Department of Dentistry Federal University of Juiz de Fora
dc.description.affiliationDepartment of Oral Regenerative Medicine Academic Centre for Dentistry Amsterdam (ACTA) Universiteit van Amsterdam and Vrije Universiteit Amsterdam
dc.description.affiliationUnespDepartment of Dental Materials and Prosthodontics Institute of Science and Technology Sao Paulo State University (UNESP), Eng. Francisco José Longo Avenue, 777
dc.identifierhttp://dx.doi.org/10.3390/coatings12121904
dc.identifier.citationCoatings, v. 12, n. 12, 2022.
dc.identifier.doi10.3390/coatings12121904
dc.identifier.issn2079-6412
dc.identifier.scopus2-s2.0-85144905333
dc.identifier.urihttp://hdl.handle.net/11449/249511
dc.language.isoeng
dc.relation.ispartofCoatings
dc.sourceScopus
dc.subjectbond strength
dc.subjectglass-ceramics
dc.subjectlithium silicate
dc.subjectzirconium dioxide
dc.titleInfluence of Optional Crystallization Firing on the Adhesion of Zirconia-Reinforced Lithium Silicate before and after Agingen
dc.typeArtigo
unesp.author.orcid0000-0003-0955-0968[2]
unesp.author.orcid0000-0002-0977-5350[4]
unesp.author.orcid0000-0002-5412-3546[7]
unesp.author.orcid0000-0001-8446-0474[8]

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