Surface and hardness profiles of additively and conventionally manufactured CoCrMo alloy in dental application: a preliminary analysis
by Ahmad Syamil Shahruddin; Muhammad Hussain Ismail; Aini Hayati Abdul Rahim
International Journal of Biomedical Engineering and Technology (IJBET), Vol. 46, No. 3, 2024

Abstract: Denture has long been a viable and versatile option to replace missing teeth. Denture frameworks are made of cobalt-based alloy conventionally fabricated through casting. As technology evolves, additive manufacturing is used to manufacture metal products allowing denture fabrication to be more predictable. Many aspects of additively manufactured denture frameworks require investigation for it to be clinically acceptable. In this study, denture framework samples from SLM and cast manufacturing underwent sample preparation and were analysed for surface roughness using Alicona infinite focus and hardness tests using Vickers hardness tester, and Mitutoyo MVK-H1. The powder and the raw ingot were analysed for better understanding of the material's microstructure. This study aims to compare the surface roughness and hardness profile of cobalt-chromium denture frameworks produced by metal casting and additive manufacturing. A comparison of hardness and surface roughness for various manufacturing techniques is presented.

Online publication date: Wed, 06-Nov-2024

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