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Improved retention and bone-tolmplant contact with fluoride-modified titanium implants
Jan Eirik Ellingsen1, Carina B Johansson, Ann Wennerberg
1Oral Research Laboratory and Department of Prosthetic Dentistry, Dental Faculty, University of Oslo, Norway. janee@odont.uio.no
The International Journal of Oral & Maxillofacial Implants
|October 29, 2004
Summary
Fluoride modification of titanium implants enhances bone integration and anchorage. These modified implants show improved biomechanical interlocking and bone-to-implant contact compared to standard titanium implants.
Area of Science:
- Biomaterials science
- Orthopedic research
- Dental implantology
Background:
- Titanium implants are widely used in bone reconstruction.
- Surface properties significantly influence osseointegration.
- Fluoride modification is a potential strategy to enhance implant performance.
Purpose of the Study:
- To evaluate the effect of fluoride modification on titanium implant surfaces.
- To assess the impact on bone response and osseointegration in a rabbit model.
Main Methods:
- Titanium implants with and without fluoride modification were used.
- A rabbit tibia model was employed for in vivo testing.
- Surface roughness, biomechanical interlocking, and histomorphometric analysis were performed at 1 and 3 months.
Main Results:
- Fluoride-modified implants exhibited a slightly smoother surface.
- Significantly higher removal torque and shear strength were observed for modified implants.
- Histomorphometry revealed increased bone-to-implant contact in modified implants at both time points.
Conclusions:
- Fluoride modification of titanium implants improves bone anchorage and integration.
- Surface changes induced by fluoride enhance bone bonding and accelerate healing.
- This modification offers a promising approach for superior dental and orthopedic implants.