Journal of Endodontics
Volume 32, Issue 2 , Pages 93-98, February 2006

Enterococcus faecalis: Its Role in Root Canal Treatment Failure and Current Concepts in Retreatment

Department of Endodontics, Wilford Medical Center, Lackland Air Force Base, Texas and The University of Texas Health Science Center at San Antonio, San Antonio, Texas.

Abstract 

Enterococcus faecalis is a microorganism commonly detected in asymptomatic, persistent endodontic infections. Its prevalence in such infections ranges from 24% to 77%. This finding can be explained by various survival and virulence factors possessed by E. faecalis, including its ability to compete with other microorganisms, invade dentinal tubules, and resist nutritional deprivation. Use of good aseptic technique, increased apical preparation sizes, and inclusion of 2% chlorhexidine in combination with sodium hypochlorite are currently the most effective methods to combat E. faecalis within the root canal systems of teeth. In the changing face of dental care, continued research on E. faecalis and its elimination from the dental apparatus may well define the future of the endodontic specialty.

Key Words:  Endodontic retreatment , Enterococcus faecalis

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PII: S0099-2399(05)00093-2

doi:10.1016/j.joen.2005.10.049

Journal of Endodontics
Volume 32, Issue 2 , Pages 93-98, February 2006

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