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Updated: Feb 4, 2026

Experimental Model of Ligature-Induced Peri-Implantitis in Mice
Published on: May 17, 2024
Titanium as a modifier of the peri-implant microbiome structure
Diane Daubert1, Alexander Pozhitkov2, Jeffrey McLean3,4
1Department of Periodontics, Clinical and Periodontal Research Laboratory, University of Washington, Seattle, WA (Washington), USA.
Dissolved titanium products are linked to peri-implantitis and alter the peri-implant microbiome. This study investigated the relationship between titanium levels, microbiome changes, and peri-implantitis in patients with implants.
Area of Science:
- Dental Implantology
- Microbiome Research
- Biomaterials Science
Background:
- Accelerated titanium dissolution is implicated in peri-implantitis.
- The effect of titanium dissolution products on the peri-implant microbiome is unknown.
Purpose of the Study:
- To assess the relationship between the peri-implant microbiome, dissolved titanium levels, and peri-implantitis.
Main Methods:
- Collected clinical, microbiome (16S rRNA sequencing), and titanium data from 15 implants after 10 years in function.
- Analyzed plaque samples for titanium quantity using mass spectrometry.
- Clustered sequences using the QIIME pipeline.
Main Results:
- Peri-implantitis was associated with increased Veillonella; Streptococcus, Prevotella, and Haemophilus characterized health.
- Dissolved titanium was found in 40% of sites and linked to peri-implant disease (P=.02).
- Titanium levels correlated with microbiome composition and alpha-diversity, and significantly associated with microbiota composition (P=.045).
Conclusions:
- Titanium dissolution products are associated with peri-implantitis.
- These products may play a role in altering peri-implant microbiome structure and diversity.
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06:06Adjunctive Diode Laser Therapy and Probiotic Lactobacillus Therapy in the Treatment of Periodontitis and Peri-Implant Disease
Published on: May 9, 2022
07:28Imaging Cell Viability on Non-transparent Scaffolds — Using the Example of a Novel Knitted Titanium Implant
Published on: September 7, 2016
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