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Effect of ZrO2 paste, surface treatments, and storage on Weibull characteristics and resin bond strength to zirconia.
Crispim, Anne Heloyse Teixeira; Silva, Sarah Emille Gomes da; Moreira, Fernanda Gurgel de Gois; Silva, Bianca Cristina Dantas da; Piva, Amanda Maria de Oliveira Dal; May, Liliana Gressler; Daudt, Natália de Freitas; Souza, Rodrigo Othávio Assunção.
Afiliação
  • Crispim AHT; Federal University of Rio Grande do Norte(UFRN), Department of Dentistry, Natal, Brazil.
  • Silva SEGD; Federal University of Rio Grande do Norte(UFRN), Department of Dentistry, Natal, Brazil.
  • Moreira FGG; Federal University of Rio Grande do Norte(UFRN), Department of Dentistry, Natal, Brazil.
  • Silva BCDD; Federal University of Rio Grande do Norte(UFRN), Department of Dentistry, Natal, Brazil.
  • Piva AMOD; Academic Centre for Dentistry Amsterdam (ACTA), Universiteit van Amsterdam and Vrije Universiteit, Department of Dental Materials Science, Gustav Mahlerlaan, LA Amsterdam.
  • May LG; Dept of Restorative Dentistry, Federal University of Santa Maria, RS, Brazil.
  • Daudt NF; Department of Mechanical Engineering, Federal University of Santa Maria, Santa Maria, RS Brazil.
  • Souza ROA; Federal University of Rio Grande do Norte(UFRN), Department of Dentistry, Natal, Brazil.
Braz Dent J ; 35: e245581, 2024.
Article em En | MEDLINE | ID: mdl-38537011
ABSTRACT
The objective is to evaluate the effect of different surface treatments and storage on the shear strength of ultratranslucent zirconia. 36 blocks of ultra-translucent zirconia were fabricated (7x7x2mm) and sintered. Then, divided into 12 groups according to the "surface treatment" (C -Primer; Al -Sandblasting with Al2O3 + Primer; Si -Silicate + Primer; Gl -Glaze + HF + Primer; Z -Zirlink; Zp -Zirlink + Primer) and "storage" factors (ST-with 150 days/37º and without). After surface treatment, five cylinders (Ø=2mm; h=2.0mm) of resin cement (n=15) were constructed in each ceramic block; at the end, the shear strength test was performed (1mm/min, 50Kgf), and analysis of surface failures. 60 additional samples (2x2x2mm) were made for extras analysis (surface roughness, MEV, and EDS). Bond strength and surface roughness data were statistically evaluated by ANOVA (2 factors/1 factor), Tukey test (5%), and Weibull analysis, respectively. ANOVA (2-way) revealed that all factors were statistically significant for bond strength. The silicatization groups (SiST 30.47AMPa; Si 29.21AMPa) showed the highest bond strength values, regardless of storage (Tukey's test). While the groups treated with Zirlink (ZST 2.76FMPa; Z 5.27EFMPa) showed the lowest values, just similar to the GlST group (5.14EFMPa). The Weibull modulus (m) showed a statistical difference between groups (p=0.000). ANOVA (1 factor) revealed that the "surface treatment" factor (p=0.0000) was statistically significant for surface roughness. Therefore, the application of Zirlink and Glaze on pre-sintered zirconia did not promote efficient adhesion of the ultratranslucent zirconia to the resin cement, even when associated with a primer containing MDP.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Colagem Dentária / Cimentos de Resina Idioma: En Revista: Braz Dent J Assunto da revista: ODONTOLOGIA Ano de publicação: 2024 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Colagem Dentária / Cimentos de Resina Idioma: En Revista: Braz Dent J Assunto da revista: ODONTOLOGIA Ano de publicação: 2024 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil