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Updated: Mar 14, 2026

Oral Biofilm Formation on Different Materials for Dental Implants

Oral Biofilm Formation on Different Materials for Dental Implants

Published on: June 24, 2018

Enterococcus faecalis and Dental Implants.

Dennis Flanagan¹

¹Private practice, Willimantic, Conn.

The Journal of Oral Implantology

|October 5, 2016

Summary

Enterococcus faecalis, a common bacterium in tooth infections, can persist after root canal therapy and lead to dental implant complications like bone loss. It may act as a key pathogen in peri-implantitis, even when not dominant.

Area of Science:

Microbiology
Dental Implantology
Periodontology

Background:

Enterococcus faecalis is frequently found in persistent tooth root infections.
This bacterium can survive root canal treatments and colonize bone tissues.
E. faecalis may contribute to dental implant failures, including marginal bone loss and peri-implantitis.

Purpose of the Study:

To investigate the role of Enterococcus faecalis in dental implant infections.
To understand how E. faecalis contributes to bone loss around implants.
To highlight E. faecalis as a potential keystone pathogen in peri-implantitis.

Main Methods:

Review of existing literature on E. faecalis in endodontic and implant infections.
Analysis of case studies and clinical observations.

Keywords:

biology cell biology implant dentistry maxillofacial pathology

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Discussion of microbiological and pathogenic mechanisms.

Main Results:

E. faecalis can persist in the oral cavity and bone after tooth extraction.
It can colonize dental implants, leading to fixture and bone loss.
E. faecalis may be a critical determinant in multibacterial peri-implantitis, despite not always being the dominant species.

Conclusions:

Enterococcus faecalis poses a significant risk for dental implant success.
Early detection and management of E. faecalis are crucial for preventing implant complications.
E. faecalis warrants consideration as a key etiological agent in peri-implantitis.