Canadian Medical Guide > Analytical, Diagnostic and Therapeutic Techniques and Equipment > Therapeutics > Physical Therapy Techniques > Phototherapy > Laser Therapy, Low-Level Terms and Definitions

Laser Therapy, Low-Level

Medical Definition:	Treatment using irradiation with light at low power intensities and with wavelengths in the range 540nm-830nm. The effects are thought to be mediated by a photochemical reaction that alters CELL MEMBRANE PERMEABILITY, leading to increased mRNA synthesis and CELL PROLIFERATION. The effects are not due to heat, as in LASER SURGERY. Low-level laser therapy has been used in general medicine, veterinary medicine, and dentistry for a wide variety of conditions, but most frequently for wound healing and pain control.
Guide Notes:	coord IM with disease /radiother (IM)
Previously Indexed:	Lasers/therapeutic use (1983-2001),specific disease/radiotherapy (1985-2001)

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