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Surface modifications and coatings to improve osseointegration and antimicrobial activity on titanium surfaces: A
Konduru Ashok Kumar Raju1, Amit Biswas1
1Centre of Excellence in Tissue Engineering, Biomaterials and Tissue Engineering Laboratory, Department of Biotechnology and Medical Engineering, National Institute of Technology, Rourkela, Odisha, India.
Background:
Titanium (Ti) is commonly employed therapeutically in many medical sectors associated with bone healing because of its superior mechanical properties and capacity to osseointegrate in the host bone tissue. The titanium surfaces may now be functionalized to offer additional and potentially valuable features. This review article discusses many titanium implant surface modifications, emphasizing their biological significance and the challenges that each one mainly addresses. Before reviewing the genuine reason for titanium surface modification in implanted devices, we briefly explore the process of osseointegration, enhancement of antibacterial properties, biocompatibility, and the historical significance of titanium as an implantable material, and the significant challenges involved. The various physical and chemical alterations that could take place on Ti surfaces are next examined. The rest of our talk will focus on creating inorganic and organic coatings for implanted Ti devices. Finally, we present a synopsis of the surface modification strategies currently being evaluated in clinical settings.
Target:
This systematic review aims to evaluate research on titanium implants with significant surface modifications, coatings, and antibacterial capabilities.
Methods:
Following the PRISMA paradigm, we searched for three electronic databases (Web of Science, PubMed Central, and Google Scholar) using the keywords "titanium implants," "titanium surface modification," and "titanium osseointegration," and "titanium antibacterial activity."
Results:
We identified 1,39,336 articles overall that were published between 2012 and 2021, and we then focused on 8917 articles that concentrated on a particular topic. Clear inclusion and exclusion criteria were used in a rigorous screening procedure. Articles that didn't meet certain requirements (were irrelevant, used incorrect techniques, had unsuitable data values, or were only brief letters or communications) were eliminated. Finally, 120 research publications in total are taken into account for this extensive systematic review.
Conclusion:
The report summarises current information on titanium implants with significant surface modifications, antibacterial activity, and coatings. It also gives some strong recommendations for future study topics.
