ArticleMaterials (Basel, Switzerland)2022
Wear Resistance and Biocompatibility of Co-Cr Dental Alloys Fabricated with CAST and SLM Techniques.
Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 42 citations in OpenAlex.
- Comparative Cytotoxicity of Commercially Pure Titanium, Silver-Palladium and Nickel-Chromium Alloys on Human Gingival Fibroblasts: An In Vitro Study.Journal of clinical medicine · 2026Article
- Bond strength and interfacial analysis of six CoCr alloys made by conventional casting and selective laser melting.Journal of prosthodontics : official journal of the American College of Prosthodontists · 2026Article
- Influence of Post-Processing Techniques on Surface Roughness, Wettability, and Friction of SLM-Manufactured CoCrW Orthodontic Materials.Journal of functional biomaterials · 2026Article
- Toxicological Assessment of Cobalt-Chromium Dental Alloys: Ion Release, Cytotoxicity, and Possible Systemic Effects.Biological trace element research · 2026Article
- Corrosion Behavior and Ion Release of Co-Cr Dental Alloys Fabricated by Casting, CAD/CAM, SLM and DMLS: Influence of Manufacturing Route and Microstructure.Bioengineering (Basel, Switzerland) · 2026Article
- Effects of Additive Manufacturing Techniques for Cobalt-Chromium Alloys on Opposing Enamel Wear.European journal of dentistry · 2026Article
- Evaluation of Flexural Resistance in Co-Cr Ceramic Systems: Conventional Casting Versus 3D Printing-A Pilot Study.Dentistry journal · 2025Article
- Enhancing the Mechanical Properties of Co-Cr Dental Alloys Fabricated by Laser Powder Bed Fusion: Evaluation of Quenching and Annealing as Heat Treatment Methods.Materials (Basel, Switzerland) · 2024Article
- Recent Advances and Prospects in β-type Titanium Alloys for Dental Implants Applications.ACS biomaterials science & engineering · 2024Review
- Simulating porcelain firing effect on the structure, corrosion and mechanical properties of Co-Cr-Mo dental alloy fabricated by soft milling.Odontology · 2024Article
- The effect of repeated baking of porcelain on its bonding strength to a Co-Cr alloy 3D-printed by selective laser melting.The Saudi dental journal · 2024Article
- Metallic Dental Implants Wear Mechanisms, Materials, and Manufacturing Processes: A Literature Review.Materials (Basel, Switzerland) · 2022Review
- Mechanical and Wetting Properties of TaMaterials (Basel, Switzerland) · 2022Article
- Effect of Hydrogen on the Structure and Mechanical Properties of 316L Steel and Inconel 718 Alloy Processed by Selective Laser Melting.Materials (Basel, Switzerland) · 2022Article
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
Abstract
Cobalt-chromium (Co-Cr) alloys have been widely used as dental-restoration materials for many years. This study sought to investigate whether selective laser melting (SLM) is a more appropriate process than traditional casting (CAST) for fabricating dental Co-Cr alloys. Metallurgical microscopy, X-ray photoelectron spectroscopy (XPS), Vickers hardness and nanoindentation tests, and friction and wear tests were used to evaluate the microstructure, surface compositions, mechanical properties, and wear resistance, respectively. Additionally, the biocompatibilities and cell adhesion of the alloys were evaluated with L-929 fibroblasts via CCK-8 assay, Live/Dead staining, flow cytometric analysis, scanning electron microscopy (SEM) observation and real-time PCR (RT-PCR) assay. The XPS results showed that the two alloys were all mainly comprised of Co, Cr, and O. The hardness in the CAST group equaled 7.15 ± 0.48 GPa, while in the SLM group, it equaled 9.06 ± 0.49 GPa. The friction coefficient of SLM alloys remained at approximately 0.46, but the CAST specimens fluctuated significantly. SLM alloys exhibited shallower wear scars and less wear debris compared with CAST alloys, simultaneously. Additionally, there were higher survival and expression of cell-adhesion-related genes on SLM alloys of L-929 cells, which meant that the deleterious effect on L-929 cells was significantly reduced compared with that for the CAST alloys. Overall, the wear resistances and biocompatibilities of the Co-Cr dental alloys were dramatically affected by the fabrication technique. The SLM technique is advantageous over the CAST technique for fabricating Co-Cr dental alloys.
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