Titania nanotubes for orchestrating osteogenesis at the bone-implant interface
Karan Gulati1, Shaheer Maher1,2, David M Findlay3
1School of Chemical Engineering, University of Adelaide, SA, Australia.
Nanomedicine (London, England)
|July 9, 2016
Summary
Titania nanotubes (TNTs) on titanium implants enhance bone growth and healing. This approach offers a targeted alternative to systemic drug delivery for bone conditions like fractures.
Area of Science:
- Biomaterials Science
- Orthopedic Engineering
- Regenerative Medicine
Background:
- Titanium implants can fail due to poor biomechanics at the bone-implant interface, hindering osseointegration.
- Titania nanotubes (TNTs) fabricated via electrochemical methods offer a promising surface modification for Ti implants.
- TNTs can improve bone cell function and osseointegration.
Purpose of the Study:
- To review the application of TNTs for enhancing osteogenesis at the bone-implant interface.
- To explore TNTs as a targeted delivery system for therapeutic agents.
- To highlight TNTs as an alternative to systemic drug delivery for bone conditions.
Main Methods:
- Fabrication of TNTs on Ti implants using electrochemical processes.
- Tailoring TNTs for incorporating biomolecules, biopolymers, and nanoparticles.
- Investigating advanced functionalities like electrical stimulation for controlled growth factor release.
Main Results:
- TNTs augment bone cell functions, promoting better osseointegration.
- TNTs can be functionalized to deliver active biomolecules, targeting anabolic bone processes.
- Advanced TNT modifications enable controlled release of growth factors.
Conclusions:
- TNTs represent a viable strategy to improve bone-implant integration and healing.
- Functionalized TNTs offer a localized and targeted approach for bone regeneration, particularly in conditions like osteoporotic fractures.
- This method provides an alternative to systemic therapeutic agent delivery for bone repair.
