Clinical Assessment of Anti-Inflammatory Activity of 940 Nanometer Low-Level Laser Therapy on Carrageenan-Induced Arthritis in the Temporomandibular Joint in Wistar Albino Rats

March 2019 in “ Journal of Pure and Applied Microbiology ”

Ali Imad Al-Khassaki, Jamal N. Ahmed

TLDR A 940nm laser effectively reduces inflammation in rat joints.

This study evaluated the anti-inflammatory effects of a 940nm diode laser on carrageenan-induced arthritis in the temporomandibular joint of Wistar albino rats. It concluded that a low-level laser therapy (LLLT) with an energy density of 74J/cm² was very effective in reducing edema and restoring function, demonstrating a good anti-inflammatory effect. In contrast, an energy density of 171J/cm² appeared to be near the borderline between non-thermal and thermal laser irradiation concerning Wistar rat skin.

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