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Experimental Model of Ligature-Induced Peri-Implantitis in Mice
Published on: May 17, 2024
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Ligature-induced peri-implantitis in mice
F Q Pirih1, S Hiyari1, A D V Barroso2
1Section of Periodontics, University of California, Los Angeles, CA, USA.
Journal of Periodontal Research
|September 23, 2014
Summary
Researchers developed a new mouse model for peri-implantitis, a condition causing bone loss around dental implants. This model helps study disease causes and test new treatments for peri-implantitis.
Area of Science:
- Oral and Maxillofacial Surgery
- Biomaterials Science
- Animal Models in Research
Background:
- Peri-implantitis affects 11-47% of patients, leading to peri-implant bone destruction and potential implant failure.
- The exact pathogenesis of peri-implantitis remains incompletely understood, hindering effective treatment strategies.
Purpose of the Study:
- To establish a reliable murine model for inducing and studying experimental peri-implantitis.
- To provide a tool for dissecting the pathogenic mechanisms of peri-implantitis.
Main Methods:
- Screw-shaped titanium implants were placed in the maxilla of C57BL/6J mice.
- Peri-implantitis was induced using silk ligatures around implant fixtures.
- Implant survival and bone levels were assessed using micro-computed tomography (micro-CT) and histology.
Main Results:
- Implant survival rates were 60% with ligatures versus 100% in controls.
- Micro-CT and histological analyses showed significantly greater bone loss around implants with ligatures.
- Radiographic and histological findings confirmed the induction of peri-implantitis.
Conclusions:
- A reproducible murine model for experimental peri-implantitis around titanium implants was successfully developed.
- This model serves as a valuable tool for investigating peri-implantitis pathogenesis.
- The model can be utilized for evaluating novel therapeutic interventions for peri-implantitis.
