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Antimicrobial Activity and Biocompatibility of the Psidium cattleianum Extracts for Endodontic Purposes

Overview of attention for article published in Brazilian Dental Journal, June 2017
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Title
Antimicrobial Activity and Biocompatibility of the Psidium cattleianum Extracts for Endodontic Purposes
Published in
Brazilian Dental Journal, June 2017
DOI 10.1590/0103-6440201601409
Pubmed ID
Authors

Loiane Massunari, Renata Zoccal Novais, Márcio Teixeira Oliveira, Diego Valentim, Eloi Dezan Junior, Cristiane Duque

Abstract

Psidium cattleianum (PC) has been displaying inhibitory effect against a variety of microorganisms, but this effect has not yet been tested against endodontic pathogens. The aim of this study was to evaluate the antimicrobial activity and biocompatibility of the aqueous (PCAE) and hydroethanolic (PCHE) extracts from Psidium cattleianum (PC) leaves. Minimum inhibitory concentration (MIC) and minimum lethal concentration (MLC) were determined using the microdilution broth method in order to analyze the antimicrobial effect against Enterococcus faecalis, Pseudomonas aeruginosa, Actinomyces israelii and Candida albicans in planktonic conditions. Biofilm assays were conducted only with the extracts that were able to determine the MLC for microorganisms in planktonic conditions. Immediate and late tissue reactions against PC extracts were evaluated using edemogenic test and histological analysis of subcutaneous implants in Wistar rats. The results showed that the MIC and MLC values ranged between 0.25 and 4 mg/mL. The MLC obtained for PCHE inhibited 100% growth of all the tested strains, except for C. albicans. PCAE had the same effect for E. faecalis and P. aeruginosa. Both PC extracts were able to eliminate E. faecalis biofilms and only the PCHE eliminated P. aeruginosa biofilms. The positive controls inhibited the growth of all tested strains in MIC and MLC essays, but no CHX tested concentrations were able to eliminate A. israelii biofilm. PCAE caused a discrete increase in the edema over time, while PCHE caused a higher initial edema, which decreased progressively. Both PCAE and PCHE extracts were biocompatible, but PCHE showed better results with slight levels of inflammation at 28 days. In conclusion, PCHE was biocompatible and presented better antimicrobial effect against important pathogens associated with persistent endodontic infections.

Twitter Demographics

The data shown below were collected from the profiles of 2 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 27 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 27 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 6 22%
Other 2 7%
Professor > Associate Professor 2 7%
Student > Master 2 7%
Lecturer > Senior Lecturer 1 4%
Other 2 7%
Unknown 12 44%
Readers by discipline Count As %
Medicine and Dentistry 8 30%
Immunology and Microbiology 5 19%
Nursing and Health Professions 1 4%
Agricultural and Biological Sciences 1 4%
Business, Management and Accounting 1 4%
Other 1 4%
Unknown 10 37%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 04 January 2018.
All research outputs
#10,812,004
of 13,586,932 outputs
Outputs from Brazilian Dental Journal
#61
of 111 outputs
Outputs of similar age
#281,449
of 389,674 outputs
Outputs of similar age from Brazilian Dental Journal
#1
of 3 outputs
Altmetric has tracked 13,586,932 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 111 research outputs from this source. They receive a mean Attention Score of 1.2. This one is in the 35th percentile – i.e., 35% of its peers scored the same or lower than it.
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