Effect of staining on the mechanical, surface and biological properties of lithium disilicate

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributor745 – Centro-
Autor(es): dc.contributorUniversity of Taubate-
Autor(es): dc.creatorSerrado de Pinho Barcellos, Aline-
Autor(es): dc.creatorSoares Miranda, Jean-
Autor(es): dc.creatorAmaral, Marina-
Autor(es): dc.creatorAraújo Alvarenga, Janaína-
Autor(es): dc.creatorNogueira, Lafayette-
Autor(es): dc.creatorTomomitsu Kimpara, Estevão-
Data de aceite: dc.date.accessioned2025-08-21T16:28:16Z-
Data de disponibilização: dc.date.available2025-08-21T16:28:16Z-
Data de envio: dc.date.issued2022-05-01-
Data de envio: dc.date.issued2022-05-01-
Data de envio: dc.date.issued2022-01-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.sdentj.2021.12.007-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/233962-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/233962-
Descrição: dc.descriptionPurpose: To simulate biodegradation and wear of stained and glazed CAD lithium disilicate ceramic, and evaluate their effects on the microbial adherence and mechanical and surface properties of lithium disilicate ceramic Materials and methods: 160 lithium disilicate ceramic discs were fabricated and divided in eight groups according to manual stain and glaze application with a fine paint brush (without stain and glaze; with stain and glaze) and aging procedures (no aging; wear at 30 N load, 1.7 Hz, 3 × 105 cycles; biodegradation by exposure to microcosm biofilm; biodegradation + wear; biodegradation + wear). Profilometry was performed to determine the surface roughness and the wear consequences. Biaxial flexural strength test was performed, and a Streptococcus mutans adherence test was conducted to evaluate the number of colony forming units. Results: Unaged samples with and without stain and glaze presented the lowest values of surface roughness (p < 0.001), but after aging (wear, biodegradation, or both), the samples in the stain and glaze groups were rougher than those in the no stain and glaze groups (p < 0.001). The stain and glaze groups showed the highest volume of wear after aging (p = 0.04), and had the lowest flexural strength values (p < 0.01), irrespective of the aging method. The aging method did not affect the flexural strength (p = 0.06). The number of colonies forming units was higher for biodegradation + no stain and glaze, biodegradation + wear + no stain and glaze, no aging + stain and glaze, biodegradation + stain and glaze, and biodegradation + wear + stain and glaze. The lowest values were observed for no aging + no stain and glaze. Conclusion: The staining and glazing of lithium disilicate increased the surface wear and bacterial adherence, and decreased biaxial flexural strength of the material. When exposed to S. mutans, surface roughness increased, and biodegradation favored bacterial adherence.-
Descrição: dc.descriptionPost Graduation Program in Restorative Dentistry Sao Paulo State University, Av. Eng. Francisco José Longo, 777 - Jardim Sao Dimas, SP-
Descrição: dc.descriptionDepartment of Dentistry Federal University of Juiz de Fora (UFJF) - Campus Governador Valadares – Rua São Paulo 745 – Centro, MG-
Descrição: dc.descriptionDepartment of Dentistry University of Taubate, Rua dos Operários, 9, SP-
Descrição: dc.descriptionDepartment of Microbiology Sao Paulo State University Av. Eng. Francisco José Longo 777 - Jardim Sao Dimas, SP-
Descrição: dc.descriptionDepartment of Dental Materials and Prosthesis Sao Paulo State University, Av. Eng. Francisco José Longo, 777 - Jardim Sao Dimas, SP-
Descrição: dc.descriptionPost Graduation Program in Restorative Dentistry Sao Paulo State University, Av. Eng. Francisco José Longo, 777 - Jardim Sao Dimas, SP-
Descrição: dc.descriptionDepartment of Microbiology Sao Paulo State University Av. Eng. Francisco José Longo 777 - Jardim Sao Dimas, SP-
Descrição: dc.descriptionDepartment of Dental Materials and Prosthesis Sao Paulo State University, Av. Eng. Francisco José Longo, 777 - Jardim Sao Dimas, SP-
Formato: dc.format136-141-
Idioma: dc.languageen-
Relação: dc.relationSaudi Dental Journal-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectColony forming units-
Palavras-chave: dc.subjectGlazing-
Palavras-chave: dc.subjectPhysical properties-
Palavras-chave: dc.subjectRoughness-
Título: dc.titleEffect of staining on the mechanical, surface and biological properties of lithium disilicate-
Tipo de arquivo: dc.typelivro digital-
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