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  • Title: Dentine bond of light-activated glass-ionomer liner/bases.
    Author: Aboush YE.
    Journal: J Ir Dent Assoc; 1994; 40(3):63-5. PubMed ID: 8975046.
    Abstract:
    This in vitro study comparatively assessed the magnitude and durability of the bonds to dentine of three glass-ionomer liner/bases, BaseLine VLC, Vitrebond and XR Ionomer. Shear bond strengths to human dentine were measured after 24 h. storage in water at 37 degrees C and after 5,000 continuous thermocycles between 5 degrees C and 55 degrees C. The BaseLine VLC material failed to achieve any measurable bond. The mean bond strength values of Vitrebond after 24 h. storage in water at 37 degrees C and after thermocycling were significantly higher (p < 0.05) than those of XR Ionomer. Both Vitrebond and XR Ionomer exhibited a drop in their bond strengths after thermocycling but this was statistically significant only in the case of XR Ionomer. These findings indicate that Vitrebond exhibits a more reliable bond to dentine compared to those of BaseLine VLC and XR Ionomer.
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