The Effects of Fulvic Acids and Low-Level Laser Therapy on Orthodontic Retention in Rats

    September 2024 in “ BMC Oral Health ”
    Jianmei Zhao, Qingmei Liu, Caifeng Zhang, Kuanshou Zhang, Pengfei Xin
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    Studysummary This study found that low-level laser therapy effectively reduced relapse rates, while functional appliances did not; combining them offered no additional benefits. Our plain-language summary of this paper — not a Tressless recommendation.
    The study investigated the effects of fulvic acids (FAs) and low-level laser therapy (LLLT) on orthodontic retention in rats. It found that FAs did not significantly reduce relapse rates when used with retainers, whereas LLLT effectively reduced relapse rates. Combining FAs with LLLT did not provide any additional benefit. Both treatments increased BMP-2 expression in periodontal ligament (PDL) fibroblasts, but there was no synergistic effect observed.
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