Repository of Research and Investigative Information

Repository of Research and Investigative Information

Ilam University of Medical Sciences

Efficacy of a Novel Rotary System in Reduction of Intracanal Bacteria: An in Vitro Study

Fri Apr 12 17:28:48 2024

(2016) Efficacy of a Novel Rotary System in Reduction of Intracanal Bacteria: An in Vitro Study. Iranian endodontic journal. pp. 219-22. ISSN 1735-7497 (Print) 1735-7497 (Linking)

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Official URL: https://www.ncbi.nlm.nih.gov/pubmed/27471535

Abstract

INTRODUCTION: This in vitro study aimed to assess the effectiveness of a single-file rotary system (OneShape) in reduction of intracanal bacteria. METHODS AND MATERIALS: Eighty one single-rooted mandibular first premolars with single canals were used. Six samples were selected as aseptic control group. Seventy five remaining specimens were infected by Enterococcus faecalis and incubated for 72 h at 37( degrees )C. Then they were randomly divided into three groups (n=25). In each group, cleaning and shaping procedures were done using either two conventional rotary systems (ProTaper and iRace), or the single-file system (OneShape). Microbial samples from the intracanal environment were taken by paper points in two steps, before and after instrumentation. Then, they were diluted and plated in blood agar. In order to compare bacterial reduction and turbidity, the Kruskal-Wallis test was used followed by the Chi-Square and Mann-Whitney tests for pairwise comparison. The level of significance was set at 0.05. RESULTS: The control group didn't show any bacterial growth. The pre- and post-instrumentation samples were significantly different between three groups (P=0.02). Hence, there was no significant differences between turbidity of samples (P>0.05). CONCLUSION: OneShape system is efficient in bacterial reduction. In this regard ProTaper is the most effective system in intracanal bacterial reduction followed by iRaCe and OneShape, respectively.

Item Type: Article
Creators:
CreatorsEmail
Vossoghi, M.UNSPECIFIED
Vossoghi, M.UNSPECIFIED
Shahriari, S.UNSPECIFIED
Faramarzi, F.UNSPECIFIED
Yousefi Mashouf, R.UNSPECIFIED
Farhadian, M.UNSPECIFIED
Keywords: Enterococcus faecalis OneShape ProTaper iRace
Divisions:
Page Range: pp. 219-22
Journal or Publication Title: Iranian endodontic journal
Journal Index: Pubmed
Volume: 11
Number: 3
Identification Number: https://doi.org/10.7508/iej.2016.03.014
ISSN: 1735-7497 (Print) 1735-7497 (Linking)
Depositing User: مهندس مهدی شریفی
URI: http://eprints.medilam.ac.ir/id/eprint/1067

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