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Updated: Jun 21, 2026

Oral Biofilm Formation on Different Materials for Dental Implants

Oral Biofilm Formation on Different Materials for Dental Implants

Published on: June 24, 2018

Titanium Corrosion in Peri-Implantitis.

Mailis D Soler¹, Shu-Min Hsu¹, Chaker Fares²

¹Division of Prosthodontics, Department of Restorative Dental Sciences, College of Dentistry, University of Florida, Gainesville, FL 32610, USA.

Materials (Basel, Switzerland)

|December 5, 2020

Summary

Titanium particles were found in human tissue near dental implants with peri-implantitis. Failed implants showed smoother surfaces, indicating corrosion and material degradation.

Keywords:

biopsy peri-implantitis titanium particles

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Area of Science:

Biomaterials Science
Dental Implantology
Materials Science

Background:

Titanium (Ti) implants are susceptible to corrosion in the oral environment, particularly when exposed to bacteria.
Peri-implantitis, an inflammatory condition, can compromise implant success and may involve material degradation.

Purpose of the Study:

To investigate the presence of titanium particles in soft tissues surrounding peri-implantitis sites.
To analyze the surface morphology and composition of failed titanium implants.

Main Methods:

Tissue biopsies from peri-implantitis sites were processed and analyzed using scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX).
Failed titanium implants were also examined using SEM and EDX to assess surface changes.
Titanium particle presence was quantified in soft tissue samples.

Main Results:

Titanium particles were detected in 5 out of 8 biopsied soft tissue samples.
SEM analysis revealed smoother surface morphologies on failed implants compared to a reference implant.
EDX analysis indicated a decreased weight percentage of titanium on the surface of failed implants.

Conclusions:

Titanium particles are present in soft tissues adjacent to failing dental implants with peri-implantitis.
Corrosion and surface degradation occur on titanium implants, leading to particle release and altered surface morphology.