Photobiomodulation : lasers vs. light emitting diodes?

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Heiskanen , V & Hamblin , M R 2018 , ' Photobiomodulation : lasers vs. light emitting diodes? ' , Photochemical & Photobiological Sciences , vol. 17 , no. 8 , pp. 1003-1017 . https://doi.org/10.1039/c8pp00176f

Title: Photobiomodulation : lasers vs. light emitting diodes?
Author: Heiskanen, Vladimir; Hamblin, Michael R.
Contributor: University of Helsinki, Clinicum
Date: 2018-08-01
Language: eng
Number of pages: 15
Belongs to series: Photochemical & Photobiological Sciences
ISSN: 1474-905X
URI: http://hdl.handle.net/10138/299082
Abstract: Photobiomodulation (PBM) is a treatment method based on research findings showing that irradiation with certain wavelengths of red or near-infrared light has been shown to produce a range of physiological effects in cells, tissues, animals and humans. Scientific research into PBM was initially started in the late 1960s by utilizing the newly invented (1960) lasers, and the therapy rapidly became known as low-level laser therapy. It was mainly used for wound healing and reduction of pain and inflammation. Despite other light sources being available during the first 40 years of PBM research, lasers remained by far the most commonly employed device, and in fact, some authors insisted that lasers were essential to the therapeutic benefit. Collimated, coherent, highly monochromatic beams with the possibility of high power densities were considered preferable. However in recent years, non-coherent light sources such as light-emitting diodes (LEDs) and broad-band lamps have become common. Advantages of LEDs include no laser safety considerations, ease of home use, ability to irradiate a large area of tissue at once, possibility of wearable devices, and much lower cost per mW. LED photobiomodulation is here to stay.
Subject: LOW-LEVEL LASER
POLYCHROMATIC NONCOHERENT LIGHT
RAPID MAXILLA EXPANSION
CORONARY-HEART-DISEASE
INDUCED ORAL MUCOSITIS
LED PHOTOTHERAPIES
POLARIZED-LIGHT
RAMAN-SPECTROSCOPY
MIDPALATAL SUTURE
THERAPY LLLT
1182 Biochemistry, cell and molecular biology
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