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Therapeutic Modalities

Low-level laser irradiation induces in vitro proliferation of mesenchymal stem cells

Summary:

To evaluate the effect of low-level laser irradiation on the proliferation and possible nuclear morphological changes of mouse mesenchymal stem cells.

Conclusion:

Low-level laser irradiation stimulated the proliferation of mouse mesenchymal stem cells without causing nuclear alterations. The biostimulation of mesenchymal stem cells using laser therapy might be an important tool for regenerative therapy and tissue engineering.

Author & Journal:Augusto Galvão Barboza,Carlos, et al, eintstein, 2014
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The thermal effects of therapeutic lasers with 810 and 904 nm wavelengths on human skin.

Summary:

To investigate the effect of therapeutic infrared class 3B laser irradiation on skin temperature in healthy participants of differing skin color, age, and gender.

Conclusion:

The thermal effects of LLLT at doses recommended by WALT-guidelines for musculoskeletal and inflammatory conditions are negligible (<1.5°C) in light, medium, and dark skin. However, higher LLLT doses delivered with a strong 3B laser (200 mW) are capable of increasing skin temperature significantly and these photothermal effects may exceed the thermal pain threshold for humans with dark skin color.

Author & Journal:Joensen J, et al, Photomed Laser Surg 2011:29(3):145-153
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