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10.3390/ma15227905
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Article

Y-TZP Physicochemical Properties Conditioned with ZrO2 and SiO2 Nanofilms and Bond Strength to Dual Resin Cement

by
Ricardo Faria Ribeiro
1,*,
Danilo Flamini Oliveira
1,
Camila Bussola Tovani
2,
Ana Paula Ramos
2,
Ana Flavia Sanches Borges
3,
Adriana Claudia Lapria Faria
1,
Rossana Pereira de Almeida
1 and
Renata Cristina Silveira Rodrigues
1
1
Department of Dental Materials and Prosthodontics, Ribeirao Preto School of Dentistry, University of Sao Paulo-FORP-USP, Ribeirao Preto 14040-904, SP, Brazil
2
Department of Chemistry, Faculty of Philosophy, Sciences and Letters at Ribeirao Preto, University of Sao Paulo-FFCLRP-USP, Ribeirao Preto 14040-901, SP, Brazil
3
Department of Operative Dentistry, Endodontics and Dental Materials, Bauru School of Dentistry, University of Sao Paulo-FOB/USP, Bauru 17012-901, SP, Brazil
*
Author to whom correspondence should be addressed.
Materials 2022, 15(22), 7905; https://doi.org/10.3390/ma15227905
Submission received: 30 September 2022 / Revised: 24 October 2022 / Accepted: 7 November 2022 / Published: 9 November 2022
(This article belongs to the Section Advanced Nanomaterials and Nanotechnology)
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Abstract

Commercial Yttria-tetragonal zirconia polycrystalline (Y-TZP) was subjected to surface treatments, and the bond strength of dual resin cement to Y-TZP and failure modes were evaluated. Disks (12 mm × 2 mm), cylinders (7 mm × 3.3 mm), and bars (25 mm × 5 mm × 2 mm) were milled from Y-TZP CAD-CAM blocks, divided into seven groups, and subjected to different surface treatments; silicatization was used as control. On the basis of the literature, this study evaluated modifications with films containing SiO2 nanoparticles and silane; SiO2+ZrO2—SiO2 (50%) and ZrO2 (50%) nanoparticles, SiO2+ZrO2/Silane-SiO2 (50%) and ZrO2 (50%) nanoparticles, and silane. Specimens were analyzed by wettability (n = 3), surface free energy (n = 3), X-ray diffraction (n = 1), Fourier transform infrared spectroscopy (FTIR) (n = 1), roughness (n = 5), shear bond test (n = 10), and dynamic modulus (n = 3). Specimens treated with hydrofluoric acid—HF 40% presented significantly higher contact angle and lowest surface free energy (p < 0.05). The SiO2/Silane presented crystalline SiO2 on the surface. The surface roughness was significantly higher for groups treated with nanofilms (p < 0.05). Shear bond strength was significantly higher for silicatization, HF 40%/silicatization, SiO2/Silane, and SiO2+ZrO2/Silane groups. The proposed treatments with nanofilms had potentially good results without prejudice to the physicochemical characteristics of zirconia. Generally, groups that underwent silica surface deposition and silanization had better bond strength (p < 0.005).
Keywords: Y-TZP zirconia; bond strength; surface treatment Y-TZP zirconia; bond strength; surface treatment

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MDPI and ACS Style

Ribeiro, R.F.; Oliveira, D.F.; Tovani, C.B.; Ramos, A.P.; Borges, A.F.S.; Faria, A.C.L.; Almeida, R.P.d.; Rodrigues, R.C.S. Y-TZP Physicochemical Properties Conditioned with ZrO2 and SiO2 Nanofilms and Bond Strength to Dual Resin Cement. Materials 2022, 15, 7905. https://doi.org/10.3390/ma15227905

AMA Style

Ribeiro RF, Oliveira DF, Tovani CB, Ramos AP, Borges AFS, Faria ACL, Almeida RPd, Rodrigues RCS. Y-TZP Physicochemical Properties Conditioned with ZrO2 and SiO2 Nanofilms and Bond Strength to Dual Resin Cement. Materials. 2022; 15(22):7905. https://doi.org/10.3390/ma15227905

Chicago/Turabian Style

Ribeiro, Ricardo Faria, Danilo Flamini Oliveira, Camila Bussola Tovani, Ana Paula Ramos, Ana Flavia Sanches Borges, Adriana Claudia Lapria Faria, Rossana Pereira de Almeida, and Renata Cristina Silveira Rodrigues. 2022. "Y-TZP Physicochemical Properties Conditioned with ZrO2 and SiO2 Nanofilms and Bond Strength to Dual Resin Cement" Materials 15, no. 22: 7905. https://doi.org/10.3390/ma15227905

APA Style

Ribeiro, R. F., Oliveira, D. F., Tovani, C. B., Ramos, A. P., Borges, A. F. S., Faria, A. C. L., Almeida, R. P. d., & Rodrigues, R. C. S. (2022). Y-TZP Physicochemical Properties Conditioned with ZrO2 and SiO2 Nanofilms and Bond Strength to Dual Resin Cement. Materials, 15(22), 7905. https://doi.org/10.3390/ma15227905

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