Bond strength of a self-adhesive resin cement to y-tzp ceramic subjected to different surface treatments

Admin Dental Press

Edition V16N01 | Year 2019 | Editorial Artigo Original | Pages 104 to 111

Manoel Antunes Neto, William Cunha Brandt, Milton Edson Miranda, Rafael Pino Vitti

The objective of this study was to evaluate the influence of different surface treatments on shear bond strength of a yttrium stabilized zirconia (Y-TZP) to a self-adhesive resin cement. Methods: Cylindrical samples (5mm diameter x 10mm height) of a Y-TZP zirconia (Lava, 3M ESPE) were divided into four groups (n = 10): C) no surface treatment (control); A) universal adhesive (Universal Bond Single, 3M ESPE); J) sandblasting with silica-coated aluminum oxide (Al2O3) particles; and JA) sandblasting with silica-coated Al2O3 + universal adhesive + silane. The self-adhesive resin cement (Rely X Ultimate, 3M ESPE) was used to cement ceramic cylinders on acrylic resin blocks. The light-curing was performed using a LED (Valo, Ultradent) with irradiance of 1000 mW/cm2 for 25s. Samples were stored for 24 hours in dark at 37°C. The shear bond strength test was performed using a universal testing machine (EMIC, DL-2000). Data were analyzed statistically by ANOVA-1 way and Tukey test (5%). Results: The JA group showed the highest bond strength values. Both A and J groups showed the lowest bond strength values and did not differ statistically between them. The control group presented intermediate values. Conclusions: The surface treatment of the Y-TZP ceramic using sandblasting with silica-coated Al2O3 and universal adhesive significantly improved the bond strength between this creamic and self-adhesive resin cement.

Ceramic, Resin cements, Silicon dioxide,

Antunes Neto M, Brandt WC, Miranda ME, Vitti RP. Bond strength of a self-adhesive resin cement to Y-TZP ceramic subjected to different surface treatments. J Clin Dent Res. 2019 Jan-Apr;16(1):104-11. DOI: https://doi.org/10.14436/2447-911x.16.1.104-111.oar

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