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. 2009 Winter;3(1):24-7.
doi: 10.5681/joddd.2009.007. Epub 2009 Mar 16.

Microbial Flora of Root Canals of Pulpally-infected Teeth: Enterococcus faecalis a Prevalent Species

Esrafil Balaei Gajan  1 , Mohammad Aghazadeh, Rahib Abashov, Amin Salem Milani, Zohreh Moosavi
Affiliations

Microbial Flora of Root Canals of Pulpally-infected Teeth: Enterococcus faecalis a Prevalent Species

Esrafil Balaei Gajan et al. J Dent Res Dent Clin Dent Prospects. 2009 Winter.

Abstract

Background and aims: The aim of this study was to determine the microorganisms prevalent in the necrotic dental pulp and root canals of unsuccessfully treated teeth.

Materials and methods: The present study was conducted on 150 single-rooted teeth of patients referring to a dental clinic. Sampling was performed by placing a sterile paper point in the canal for 60 s. Bacterial samples were evaluated by a microbiological technique specific for anaerobic species, used for isolation and identification of sampled strains.

Results: From the 150 samples taken, 101 were from necrotic pulps (primary infection) and 49 were from the teeth with an unsuccessful endodontic treatment (secondary infection).

Conclusion: Enterococcus faecalis was a prevalent species in the failed root canals evaluated.

Keywords: Endodontic therapy; Enterococcus faecalis; failure.

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