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The Role of Low-Level Laser Therapy in Bone Healing: Systematic Review

2023; Multidisciplinary Digital Publishing Institute; Volume: 24; Issue: 8 Linguagem: Inglês

10.3390/ijms24087094

1661-6596

Micaela Berni, Alice Maria Brancato, Camilla Torriani, Valentina Bina, Salvatore Annunziata, Elena Cornella, Michelangelo Trucchi, Eugenio Jannelli, Mario Mosconi, Giulia Gastaldi, Laura Caliogna, Federico Alberto Grassi, Gianluigi Pasta,

Laser Applications in Dentistry and Medicine

Low-level laser therapy (LLLT) is a treatment that is increasingly used in orthopedics practices. In vivo and in vitro studies have shown that low-level laser therapy (LLLT) promotes angiogenesis, fracture healing and osteogenic differentiation of stem cells. However, the underlying mechanisms during bone formation remain largely unknown. Factors such as wavelength, energy density, irradiation and frequency of LLLT can influence the cellular mechanisms. Moreover, the effects of LLLT are different according to cell types treated. This review aims to summarize the current knowledge of the molecular pathways activated by LLLT and its effects on the bone healing process. A better understanding of the cellular mechanisms activated by LLLT can improve its clinical application.