Abstract
Background
Clinically, in dental practice the durability of zirconia adhesion is the key to successful long-term all-ceramic structures, e.g. fixed partial dentures (FPDs).
Purpose
To evaluate the effects of seven different surface conditioning methods on the shear bond strength of particulate filler resin composite cement bonded onto a zirconia surface.
Methods
Seven groups of zirconia each consisting of 14 specimens (n = 14) were made. The specimens were conditioned using various methods and embedded into acrylic cylinders with an acrylic polymer material to form substrates. The specimens were cleaned in an ultrasonic device for 300 s. Self-adhesive particulate filler resin composite stubs were added onto zirconia surfaces and photopolymerized for 40 s. The specimens were kept in distilled water for 24 h at room temperature and thermocycled 6,000 cycles (5 ± 1°C-55 ± 1°C). The shear bond strengths were measured with a crosshead speed of 1.0 mm/min and the data were analyzed by ANOVA.
Results
The shear bond strengths varied widely and ANOVA revealed significant differences between the groups (p < 0.001).
Conclusions
Tribochemical silicatization combined with silanization achieved the highest shear bond strength values.
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Heikkinen, T.T., Matinlinna, J.P., Vallittu, P.K. et al. Dental Zirconia Adhesion with Silicon Compounds Using Some Experimental and Conventional Surface Conditioning Methods. Silicon 1, 199–202 (2009). https://doi.org/10.1007/s12633-009-9022-2
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DOI: https://doi.org/10.1007/s12633-009-9022-2