Evidence map›Paper›PMID 26504463›Full record

ArticleInternational journal of dentistry2015

Effect of Nd:YAG Low Level Laser Therapy on Human Gingival Fibroblasts.

Andreas S Gkogkos, Ioannis K Karoussis, Ioannis D Prevezanos, Kleopatra E Marcopoulou, Kyriaki Kyriakidou, Ioannis A Vrotsos

Abstract read
In one paragraph

Article in International journal of dentistry, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing 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

13 citing papers in PubMed.

  1. Review
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  12. Biological effects and medical applications of infrared radiation.Journal of photochemistry and photobiology. B, Biology · 2017
    Review
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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

6 authors.

Andreas S GkogkosDepartment of Periodontology, School of Dentistry, University of Athens, 2 Thivon Street, Goudi, 115 27 Athens, Greece.
Ioannis K KaroussisDepartment of Periodontology, School of Dentistry, University of Athens, 2 Thivon Street, Goudi, 115 27 Athens, Greece.
Ioannis D PrevezanosDepartment of Periodontology, School of Dentistry, University of Athens, 2 Thivon Street, Goudi, 115 27 Athens, Greece.
Kleopatra E MarcopoulouDepartment of Periodontology, School of Dentistry, University of Athens, 2 Thivon Street, Goudi, 115 27 Athens, Greece.
Kyriaki KyriakidouDepartment of Periodontology, School of Dentistry, University of Athens, 2 Thivon Street, Goudi, 115 27 Athens, Greece.
Ioannis A VrotsosDepartment of Periodontology, School of Dentistry, University of Athens, 2 Thivon Street, Goudi, 115 27 Athens, Greece.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Aim. To evaluate the effect of Low Level Laser Therapy (LLLT) on human gingival fibroblasts in terms of proliferation and growth factors' secretion (EGF, bFGF, and VEGF). Materials and Methods. Primary cultures of keratinized mucosa fibroblasts were irradiated by a Nd:YAG laser 1064 nm with the following energy densities: 2.6 J/cm(2), 5.3 J/cm(2), 7.9 J/cm(2), and 15.8 J/cm(2). Controls were not irradiated. Cultures were examined for cell proliferation and growth factors' secretion after 24, 48, and 72 hours. All experimental procedures were performed in duplicate. Data were analyzed by Student's t-test (p < 0.05). Results. All laser-irradiation doses applied promoted a higher cell proliferation at 48 hours in a dose-response relationship compared to controls. This difference reached statistical significance for the cultures receiving 15.8 J/cm(2) (p = 0.03). Regarding EGF, all laser irradiation doses applied promoted a higher secretion at 48 hours in a reverse dose-response pattern compared to controls. This difference reached statistical significance for the cultures receiving 2.6 J/cm(2) (p = 0.04). EGF levels at the other time points, bFGF, and VEGF showed a random variation between the groups. Conclusion. Within the limits of this study, LLLT (Nd:YAG) may induce gingival fibroblasts' proliferation and upregulate the secretion of EGF. Further studies are needed to confirm these results.

Identifiers

PMID26504463
PMCPMC4609450

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.