Evidence map›Paper›PMID 24778505›Full record

ArticleJournal of conservative dentistry : JCD2014

Evaluation of the presence of Enterococcus Faecalis in root cementum: A confocal laser scanning microscope analysis.

Rahul Halkai, Mithra N Hegde, Kiran Halkai

Abstract read
In one paragraph

Article in Journal of conservative dentistry : JCD, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed.

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  3. Evaluation ofJournal of conservative dentistry : JCD
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Rahul HalkaiDepartment of Conservative and Endodontics, A. B. Shetty Memorial Institute of Dental Science, Mangalore, Karnataka, India.
Mithra N HegdeDepartment of Conservative and Endodontics, S.N H.K.E.'s Dental College, Gulbarga, Karnataka, India.
Kiran HalkaiDepartment of Conservative and Endodontics, S.N H.K.E.'s Dental College, Gulbarga, Karnataka, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimThe aim of this study is to address the cause of persistent infection of root cementum by Enterococcus faecalis. MATERIALS AND

methodsA sample of 60 human single-rooted teeth were divided into three groups. Group I (control group) had no access opening and one-third of the apical root cementum was sealed using varnish. Group II had no preparation of teeth samples. In group III, apical root cementum was exposed to organic acid and roughened using diamond point to mimic apical resorption. After access opening in groups II and III, all teeth samples were sterilized using gamma irradiation (25 kGy). E. faecalis broth was placed in the root canal and apical one-third of the tooth was immersed in the broth for 8 weeks with alternate day refreshment followed by biomechanical preparation, obturation and coronal seal. Apical one-third of all teeth samples were again immersed in the broth for 8 weeks with alternate day refreshment to mimic secondary infection. The samples were observed under a confocal microscope after splitting the teeth into two halves.

resultsE. faecalis penetrated 160 μm deep into the root cementum in group III samples and only showed adhesion in group II samples.

conclusionPenetration and survival of E. faecalis deep inside the cementum in extreme conditions could be the reason for persistent infection.

Indexed as

Confocal laser scanning microscopeEnterococcus faecalispersistent infectionroot cementum

Identifiers

PMID24778505
PMCPMC4001265

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