›› 2018, Vol. 38 ›› Issue (8): 756-760.

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Research progress of effect of low-level laser therapy during orthodontic tooth movement

  

  • Received:2017-11-16 Revised:2017-11-30 Online:2018-08-28 Published:2018-08-20

Abstract: Low-level laser therapy (LLLT) is a safe, noninvasive technology that is approved by the FDA for clinical use. It can produce photobiostimulate on cells and tissues by using 600-1000 nm monochromatic red or near-infrared light. At present, LLLT has been widely applied to promoting the wound healing, relieving pain, reducing inflammation and regenerative medicine et al. It is believed that the molecular and cellular mechanisms of LLLT are mainly related to the respiratory chain of mitochondrion. In this way, mitochondrion are responsible for the cellular metabolism by promoting the formation of ATP. A large number of studies have shown that LLLT can reduce the orthodontic treatment duration and accelerate tooth movement by promoting the physiological alteration of periodontal ligament and alveolar . Because of the photobiostimulating and noninvasive way, LLLT has wide application prospect in accelerating orthodontic tooth movement. This review will cover the mechanism of LLLT , biological effects and its positive effect on orthodontic tooth movement.

Key words: lowlevel laser therapy(LLLT), photobiomodulation(PBM), orthodontic tooth movement(OTM), CCO

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