IN VITRO EVALUATION OF THE INFLUENCE OF CAST SURFACE FINISHING PROCESSES ON METAL-CERAMIC BOND STRENGTH

Abstract

This in vitro study aimed to evaluate the influence of different cast surface finishing processes on the bond strength between metal and ceramic in dental restorations. The metal-ceramic bond strength is a critical factor that affects the longevity and clinical success of metal-ceramic restorations. In this study, metal specimens were cast using a standardized metal alloy, and the surface finishing processes included polishing, sandblasting, and application of a silane coupling agent. Ceramic veneering was performed using a standardized porcelain material. The bond strength was assessed using a universal testing machine, and the failure modes were analyzed using scanning electron microscopy. The results of this study provide valuable insights into the effect of cast surface finishing processes on the metal-ceramic bond strength, helping to optimize the fabrication and longevity of metal-ceramic restorations.

Keywords:

Metal-ceramic bond, surface finishing, dental restorations

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