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Biofunctional Elements Incorporated Nano/Microstructured Coatings on Titanium Implants with Enhanced Osteogenic and
Na Xu1, Jijiang Fu1, Lingzhou Zhao2
1The State Key Laboratory of Refractories and Metallurgy, Institute of Advanced Materials and Nanotechnology, College of Life Sciences and Health, Wuhan University of Science and Technology, Wuhan, 430081, China.
Advanced Healthcare Materials
|September 3, 2020
Summary
Titanium implants for bone fractures can be improved with nano/microstructured coatings. Biofunctional elements enhance bone healing and resist infection, optimizing orthopedic implant success.
Area of Science:
- Biomaterials Science
- Orthopedic Surgery
- Nanotechnology
Background:
- Bone fractures are common in athletes and seniors, often needing surgical implants.
- Titanium (Ti) and its alloys are preferred orthopedic materials due to biocompatibility and corrosion resistance.
- Challenges include limited osteogenesis and infection risk with traditional Ti implants.
Purpose of the Study:
- To review recent advances in nano/microstructured coatings for Ti and Ti alloy implants.
- To discuss the incorporation of biofunctional elements into these coatings.
- To explore the prospects and limitations of these enhanced implant surfaces.
Main Methods:
- Review of recent scientific literature on Ti implant coatings.
- Analysis of nano/microstructuring techniques for TiO2 coatings.
- Investigation of biofunctional element incorporation (Sr, Zn, Cu, Si, Ag).
Main Results:
- Nano/microstructured TiO2 coatings can be loaded with biofunctional elements.
- These coatings demonstrate enhanced bone repair/regeneration capabilities.
- Improved bacterial resistance of Ti implants with these functionalized coatings.
Conclusions:
- Biofunctional element-incorporated nano/microstructured coatings offer significant potential for Ti orthopedic implants.
- These advanced coatings can overcome limitations of traditional Ti implants, improving clinical outcomes.
- Further research is needed to fully realize the prospects and address limitations of these materials.
