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Updated: Jun 19, 2026
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An Improved Mechanical Testing Method to Assess Bone-implant Anchorage
Published on: February 10, 2014
Osterix enhances BMSC-associated osseointegration of implants
1Division of Oral Biology, Tufts University School of Dental Medicine, One Kneeland Street, Boston, MA 02111, USA.
Journal of Dental Research
|October 16, 2009
Summary
Bone marrow stromal cells (BMSCs) aid dental implant osseointegration. Osterix (Osx) overexpression significantly enhances bone density and implant contact, accelerating the osseointegration process.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Orthopedic Surgery
Background:
- The cellular and molecular mechanisms underlying dental implant osseointegration are not fully understood.
- Bone marrow stromal cells (BMSCs) are hypothesized to play a crucial role in this process.
- Osterix (Osx), a key transcription factor, is investigated for its potential to promote osseointegration.
Purpose of the Study:
- To investigate the role of exogenous bone marrow stromal cells (BMSCs) in dental implant osseointegration.
- To determine the osteogenic effects of osterix (Osx) on implant osseointegration.
Main Methods:
- Tracking of double-labeled BMSCs in nude mice following implantation.
- Analysis of implants in transgenic mice with local Osx gene delivery via viral vectors.
- Immunohistochemistry, microcomputed tomography (microCT), and histomorphometric analysis were employed.
Main Results:
- BMSCs were observed to migrate from peripheral circulation and contribute to wound healing and osseointegration.
- MicroCT analysis showed increased bone density at the bone-to-implant interface in the Osx-treated group.
- Histomorphometric analysis revealed a significant increase in bone-to-implant contact in the Osx group.
Conclusions:
- Exogenous BMSCs actively participate in the osseointegration process following dental implantation.
- Overexpression of Osx accelerates osseointegration, enhancing bone density and implant contact.
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