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Energy Dispersive X-ray Tomography for 3D Elemental Mapping of Individual Nanoparticles
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Energy dispersion spectroscopy analysis on failed implants: a preliminary survey
Federico Amoroso1, Francesca G Serra2, Maria G Faga3
1CIR Dental School, Department of Surgical Sciences, University of Turin, Turin, Italy - elan_87@hotmail.it.
Minerva Stomatologica
|July 31, 2019
Summary
Peri-implantitis affects 12-14% of implants, often leading to failure. Automated Energy Dispersive Spectroscopy (EDS) mapping quantifies bacterial biofilm on failed implant surfaces, aiding in targeted treatment strategies.
Area of Science:
- Biomaterials Science
- Dental Implantology
- Microbiology
Background:
- Peri-implantitis, an infection of tissues around dental implants, affects 12-14% of implants.
- Current treatments for biofilm removal are often ineffective, and implant failure can occur.
- Assessing the implant surface quality after decontamination is crucial for re-osseointegration.
Purpose of the Study:
- To propose and evaluate an automated Energy Dispersive Spectroscopy (EDS) analysis method.
- To determine the percentage of dental implant surface covered by bacterial biofilm in failed fixtures.
- To correlate EDS mapping with Scanning Electron Microscope (SEM) observations.
Main Methods:
- Dental implant samples (N.=10) were analyzed using Scanning Electron Microscopy (SEM) with Energy Dispersive Spectroscopy (EDS).
- Automated EDS mapping was performed on the entire implant surface after gold coating.
- Samples were fixed in paraformaldehyde and observed at 10kV.
Main Results:
- Automated EDS mapping revealed a mean bacterial biofilm coverage of 79.3±7.6% on failed implant surfaces.
- Elemental analysis focused on titanium, oxygen, and phosphorous.
- SEM images confirmed a strong correlation between automated EDS mapping and manual quantification of biofilm.
Conclusions:
- Automated EDS mapping is a promising method for analyzing failed dental implants.
- This technique can quantify bacterial biofilm coverage, guiding future treatment strategies.
- Further research could identify specific bacteria for more targeted decontamination therapies.
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