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Screening on binary Ti alloy with excellent mechanical property and castability for dental prosthesis application
1Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, China.
Scientific Reports
|November 23, 2016
Summary
New titanium (Ti) alloys with various elements show improved strength, castability, and corrosion resistance. These dental alloys exhibit excellent biocompatibility, making them promising for stomatological applications.
Area of Science:
- Biomaterials Science
- Materials Science
- Metallurgy
Background:
- Titanium (Ti) and its alloys are widely used in dentistry due to their excellent biocompatibility.
- However, enhancing mechanical properties, castability, and corrosion resistance remains crucial for advanced dental applications.
Purpose of the Study:
- To investigate the microstructure, mechanical properties, castability, corrosion behavior, and in vitro cytocompatibility of binary Ti-2X alloys.
- To assess the potential of these alloys for stomatological applications.
Main Methods:
- Systematic investigation of binary Ti-2X alloys with alloying elements (Ag, Bi, Ga, Ge, Hf, In, Mo, Nb, Sn, Zr).
- Evaluation of microstructure, tensile strength, microhardness, castability, and corrosion resistance in artificial saliva solutions (AS and ASFL).
- Assessment of in vitro cytocompatibility using fibroblast (L929) and osteoblast-like (MG63) cells.
Main Results:
- All binary Ti-2X alloys consisted entirely of the alpha-Ti phase.
- Addition of alloying elements improved tensile strength and microhardness.
- Castability and corrosion resistance in AS and ASFL were significantly enhanced by specific alloying elements.
- Ti-2X alloys demonstrated good in vitro cytocompatibility, comparable to pure Ti.
Conclusions:
- Binary Ti-2X alloys exhibit enhanced mechanical properties, castability, and corrosion resistance.
- These alloys show excellent in vitro cytocompatibility, suitable for dental applications.
- The developed Ti-2X alloys hold great potential for future stomatological applications.
