engleski

Influence of the ageing treatments on the bond strength between alloys and polymer veneering materials.

One of the biggest problems in oral rehabilitation is the reducion of bond strength values between the veneering material and dental alloy after the placement in oral cavity causing detachment of the veneer, thus discrediting the aesthetic appearance. The aim of this study was to investigate how the ageing treatments (simulating conditions in the oral cavity) influenced the bond strength values obtained after polymerisation. 60 specimens made from the most commonly used materials were tested using the Smitz-Schulmeyer shear test. The data were statisticaly analysed using descriptive methods, factorial analysis of variance and Tukey test. From the rusults obtained it could be concluded that ageing treatments reduced bond strength values which were not sufficient for a safe attachment of the veneers in the conditions within the oral cavity.

ageing treatment, bond strength

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