Osteogenic activity of titanium surfaces with nanonetwork structures
Helin Xing1, Satoshi Komasa2, Yoichiro Taguchi3
1Department of Prosthetic Dentistry, School of Stomatology, The Fourth Military Medical University, Xi'an, People's Republic of China ; Graduate School of Dentistry (Removable Prosthodontics and Occlusion), Osaka Dental University, Hirakata, Osaka, Japan.
International Journal of Nanomedicine
|April 18, 2014
Summary
Titanium surface nanonetwork structures, created using NaOH, significantly enhance bone cell growth and differentiation. The optimal concentration of 10.0 M NaOH shows promise for improving dental implant success.
Area of Science:
- Biomaterials Science
- Nanotechnology
- Dental Implantology
Background:
- Titanium surfaces are crucial for dental implant osseointegration.
- Titania nanotubes are known to enhance osteogenic differentiation.
- Research is exploring other nanostructures on titanium for improved outcomes.
Purpose of the Study:
- To develop a simple titanium surface modification using nanonetwork structures with titania nanosheet (TNS) nanofeatures.
- To evaluate the effect of different NaOH concentrations on these nanostructures.
- To assess the impact on osteogenic differentiation of rat bone marrow mesenchymal stem cells (BMMSCs).
Main Methods:
- Titanium disks were treated with NaOH solutions (2.5–12.5 M).
- This created nanonetwork structures with TNS nanofeatures.
- BMMSCs were cultured on these modified surfaces to evaluate their response.
Main Results:
- Nanonetwork structures with TNS nanofeatures enhanced BMMSC adhesion and osteogenic gene expression.
- Cell proliferation, alkaline phosphatase activity, extracellular matrix deposition, and mineralization were significantly increased.
- The most pronounced effects were observed with 10.0 M NaOH treatment.
Conclusions:
- Nanonetwork structures with TNS nanofeatures promote BMMSC proliferation and osteogenic differentiation.
- The 10.0 M NaOH concentration is optimal for these effects.
- This surface modification holds potential for enhancing dental implant clinical performance.


