Microtensile bond strength of CAD/CAM materials to dentin under different adhesive strategies
| Autor: | Patrícia Fernandes Jerzewski Sotero da Cunha, Eduardo Gonçalves Mota, Ana Maria Spohr, Maria C Bellan, Julieta Gomes Tavares |
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| Rok vydání: | 2017 |
| Předmět: |
Ceramics
Materials science Time Factors Surface Properties Dentistry 02 engineering and technology Dental bonding dentin 03 medical and health sciences 0302 clinical medicine Tensile Strength Ultimate tensile strength Materials Testing Dentin medicine Humans adhesive systems VITA Enamic Dental Restoration Failure Resin cement bond strength Universal testing machine Analysis of Variance Bond strength business.industry Dental Bonding Reproducibility of Results 030206 dentistry 021001 nanoscience & nanotechnology Resin Cements lcsh:RK1-715 medicine.anatomical_structure lcsh:Dentistry resin cement Microscopy Electron Scanning Computer-Aided Design Adhesive 0210 nano-technology business |
| Zdroj: | Brazilian Oral Research, Vol 31, Iss 0 (2017) Repositório Institucional PUCRS Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS) instacron:PUC_RS Brazilian Oral Research, Volume: 31, Article number: e109, Published: 18 DEC 2017 Brazilian Oral Research v.31 2017 Brazilian Oral Research Sociedade Brasileira de Pesquisa Odontológica (SBPqO) instacron:SBPQO |
| ISSN: | 1807-3107 |
| Popis: | The present study aimed to evaluate the microtensile bond strength (μTBS) of novel computer-aided design/computer-aided manufacturing (CAD/CAM) restorative materials to dentin using different adhesive strategies. Thirty-two crowns were milled using CAD/CAM materials (Vita Mark II as control, Vita Suprinity, Vita Enamic and Lava Ultimate) and luted to dentin using different resin cements (RelyX ARC, RelyX Unicem 2 and RelyX Ultimate). The specimens were stored in 100% relative humidity at 37°C for 24 h and sectioned. The samples (n = 16) with cross-sectional areas of approximately 0.90 mm2, were submitted to a μTBS test in a universal testing machine with a crosshead speed of 0.5 mm/min. The samples were analyzed with SEM to determinate the failure mode. According to 2-way ANOVA and Tukey's test (α=0.05), the interaction effect (material x luting strategy) was significant (p=0.001). Regardless of the luting strategy, a higher μTBS was obtained with Lava Ultimate and Vita Enamic, which were significantly different from Vita Mark II and Vita Suprinity (p |
| Databáze: | OpenAIRE |
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