The predominant bacteria isolated from radicular cysts

Abstract

PurposeTo detect predominant bacteria associated with radicular cysts and discuss in light of the literature.Material and methodsClinical materials were obtained from 35 radicular cysts by aspiration. Cultures were made from clinical materials by modern laboratory techniques, they underwent microbiologic analysis.ResultsThe following are microorganisms isolated from cultures: Streptococcus milleri Group (SMG) (23.8%) [Streptococcus constellatus (19.1%) and Streptococcus anginosus (4.7%)], Streptococcus sanguis (14.3%), Streptococcus mitis (4.7%), Streptococcus cremoris (4.7%), Peptostreptococcus pevotii (4.7%), Prevotella buccae (4.7%), Prevotella intermedia (4.7%), Actinomyces meyeri (4.7%), Actinomyces viscosus (4.7%), Propionibacterium propionicum (4.7%), Bacteroides capillosus (4.7%), Staphylococcus hominis (4.7%), Rothia denticariosa (4.7%), Gemella haemolysans (4.7%), and Fusobacterium nucleatum (4.7%).ConclusionsResults of this study demonstrated that radicular cysts show a great variety of anaerobic and facultative anaerobic bacterial flora. It was observed that all isolated microorganisms were the types commonly found in oral flora. Although no specific microorganism was found, Streptococcus spp. bacteria (47.5%) – especially SMG (23.8%) – were predominantly found in the microorganisms isolated. Furthermore, radicular cysts might be polymicrobial originated. Although radicular cyst is an inflammatory cyst, some radicular cyst fluids might be sterile.

Radicular Cyst (Periapical Cyst): A Case Report

“…Better knowledge about microorganisms will helps in treatment and oral maxillofacial surgery practices. 10 A follow-up of 1-2 years after treatment has to be done.…”

Epigenetics of oral infection and inflammatory diseases—DNA methylation changes in infections and inflammation diseases

“…Phenomena, such as hypermethylation, may be observed in other oral inflammatory lesions. We recently investigated the methylation profile of E-cadherin in radicular cysts, which are populated by a different type of predominant bacteria than those found in chronic periodontitis [42]. Hypermethylation of E-cadherin was observed in radicular cysts (Figs.…”

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