Laser Therapy Treatment Theory & Practice

Light Amplification by Stimulated Emission of Radiation

  • The theory of laser was first proposed by Einstein but at the time the technical ability was not available.
  • Theodore Maiman fired the first laser in the USA during the 1950s and the technology was of interest for military purposes – the capability of laser by the US had implications for the cessation of the cold war.
  • It was then used for surgical purposes and Andre Mester in Hungary noticed that laser incisions healed better and faster than scalpel incisions and he embarked on a study to investigate the healing powers of the low dose irradiation of laser therapy in cold lasers
  • Referred to as the grandfather of laser therapy, Mester’s work was then noted around the world and from the 1970s a huge amount of research was undertaken to investigate whether laser therapy worked and if so, the mechanisms by which laser therapy resulted in healing.
  • The effects of low level laser on pain relief began to emerge in the 1980s and use of cold laser in the cosmetic field and in the treatment of addiction soon followed.

There are many different words used to describe laser therapy devices – Low Level Laser, Low Intensity Laser, Low Power Laser, Cold Laser, Biostimulation Laser, Photobiostimulation Laser, LLLT and a number of others. They all refer to the same theory of operation for non-surgical therapy lasers. These lasers do not damage the tissue and should never be confused with the surgical, burning or cutting lasers.

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