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Effect of conventional irrigation and photoactivated disinfection on Enterococcus faecalis in root canals: An in vitro study

Conclusions: NaOCl alone was not effective in eliminatingE. faecalis completely from the root canals. PAD compared to conventional irrigation showed the best results in removingE. faecalis from root canals.Balakrishna N, Moogi P, Kumar G V, Prashanth B R, Shetty NK, Rao KR. Effect of conventional irrigation and photoactivated disinfection onEnterococcus faecalis in root canals: Anin vitro study. J Conserv Dent 2017;20:125-8
Source: Dental Technology Blog - Category: Dentistry Source Type: news

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In conclusion the fruit extract of C. ambrosioides is a potential candidate for further biological studies. PMID: 29681972 [PubMed]
Source: Evidence-based Complementary and Alternative Medicine - Category: Complementary Medicine Tags: Evid Based Complement Alternat Med Source Type: research
This study investigated the host response to a polymicrobial pulpal infection consisting of Streptococcus anginosus and Enterococcus faecalis, bacteria commonly implicated in dental abscesses and endodontic failure, using a validated ex vivo rat tooth model. Tooth slices were inoculated with planktonic cultures of S. anginosus or E. faecalis alone or in coculture at S. anginosus/E. faecalis ratios of 50:50 and 90:10. Attachment was semiquantified by measuring the area covered by fluorescently labeled bacteria. Host response was established by viable histological cell counts, and inflammatory response was measured using rev...
Source: Infection and Immunity - Category: Infectious Diseases Authors: Tags: Host Response and Inflammation Source Type: research
Microorganisms that invade the root canal system have a fundamental role in initiating and sustaining periapical disease. Microbial studies in root canal infections have identified a group of microorganisms that persist after root canal treatment, which are mainly Gram-positive facultative anaerobic bacteria, including enterococci, streptococci, lactobacilli, actinomyces and also yeasts [1,2]. Enterococcus faecalis and Candida albicans are two of the most resistant microorganisms found in infected root canals and have a higher prevalence in secondary infections compared with primary infections [1,3].
Source: Photodiagnosis and Photodynamic Therapy - Category: Laser Surgery Authors: Source Type: research
Abstract Four chemically modified chitosan derivatives 1-4 were designed and synthesized via a series of four reactions; first by reaction with benzaldehyde to protect its amino groups (Derivative 1), second by reaction with epichlorohydrine (Derivative 2), third by reaction with aminobenzhydrazide (Derivative 3), and forth by removing of benzaldehyde to restore the free amino groups on the chitosan (Derivative 4). Two multi-walled carbon nanotube (MWCNT) biocomposites based on Derivative 4 were also prepared. The structure of the prepared derivatives and MWCNT composites was elucidated using elemental analyses, F...
Source: International Journal of Biological Macromolecules - Category: Biochemistry Authors: Tags: Int J Biol Macromol Source Type: research
CONCLUSIONS: Although postoperative Enterococcus species infections can be reduced after liver transplant by adding vancomycin to the intraoperative antibiotic regimen, it does not improve the long-term outcomes. PMID: 29676703 [PubMed - as supplied by publisher]
Source: Experimental and Clinical Transplantation : official journal of the Middle East Society for Organ Transplantation - Category: Transplant Surgery Authors: Tags: Exp Clin Transplant Source Type: research
AbstractPurpose of the reviewEnterococci are emerging threatening multidrug-resistant bacteria.Enterococcus faecium is a common pathogen associated with severe hospital-acquired infections. The goal of this report is to analyze the evolution of this nosocomial pathogen and study the state of adequate infection control measures.Recent findingsEvolution over millions of years has allowed enterococci to develop into a persistent hospital pathogen, an environment where it thrives. Vancomycin-resistant enterococci (VRE) continues to obtain antibiotic resistance elements. Enterococci assemble multiple virulence factors. VRE inte...
Source: Current Treatment Options in Infectious Diseases - Category: Infectious Diseases Source Type: research
AbstractWe aimed to determine the microbiology of infected walled-off pancreatic necrosis (WON) in an era of minimally invasive treatment, since current knowledge is based on surgical specimens performed over two decades ago. We retrospectively analyzed a prospectively maintained database of patients who were treated for symptomatic WON using combined endoscopic and percutaneous drainage between 2008 and 2017. Aspirates from WON at initial treatment were evaluated. One hundred eighty-two patients were included with a mean age of 56 of whom 67% were male. Culture results were obtained at a median of 45  days from onset...
Source: European Journal of Clinical Microbiology and Infectious Diseases - Category: Microbiology Source Type: research
o Gregori Myrosinase-positive bacteria from local fermented foods and beverages in Thailand with the capacity to metabolize glucosinolate and produce isothiocyanates (ITCs) were isolated and used as selected strains for Thai cabbage fermentation. Enterobacter xiangfangensis 4A-2A3.1 (EX) from fermented fish and Enterococcus casseliflavus SB2X2 (EC) from fermented cabbage were the two highest ITC producers among seventeen strains identified by 16S rRNA technique. EC and EX were used to ferment Thai cabbage (Brassica oleracea L. var. capitata) containing glucoiberin, glucoraphanin and 4-hydroxyglucobrassicin at 430.5, 61...
Source: Molecules - Category: Chemistry Authors: Tags: Article Source Type: research
P áraic Ó Cuív, Rabina Giri, Emily C. Hoedt, Michael A. McGuckin, Jakob Begun, Mark Morrison
Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
In conclusion, the cfr gene which had no linezolid resistance phenotype was present in multidrug-resistance E. faecalis strains, and the clonal spread of ST475 and ST16 strains and the horizontal transfer of the pCPPF5-like plasmids have contributed to the dissemination of cfr. PMID: 29679746 [PubMed - as supplied by publisher]
Source: Infection, Genetics and Evolution - Category: Genetics & Stem Cells Authors: Tags: Infect Genet Evol Source Type: research
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