BACKGROUND AND AIMS: The purpose of this study was to investigate the effect of low-level laser therapy (LLLT) on radial bone fracture gap healing in a rabbit model. MATERIALS SUBJECTS AND METHODS: Thirty male white New Zealand rabbits under general anesthesia had a 3mm slice of radial bone surgically removed. Fifteen rabbits were treated by 830 nm laser at 4 J/cm2 and 15 were used as non-treated controls. Callus development was assessed by X-ray and radiographs every 7 days for 3 weeks. RESULTS: Significant radiologic changes were observed in both groups against time (P > 0.001) or from week to week (P > 0.05). However, there was no statistical difference in radiologic scores after week 2 (P = 0.087) or week 3 (P = 0.077) between control and laser treated bone. CONCLUSIONS: Findings suggest that in this study, laser treatment did not enhance callus formation nor reduce repair time of complete fracture of the radius in rabbits.
BACKGROUND AND AIMS: The purpose of this study was to investigate the effect of low-level laser therapy (LLLT) on radial bone fracture gap healing in a rabbit model. MATERIALS SUBJECTS AND METHODS: Thirty male white New Zealand rabbits under general anesthesia had a 3mm slice of radial bone surgically removed. Fifteen rabbits were treated by 830 nm laser at 4 J/cm2 and 15 were used as non-treated controls. Callus development was assessed by X-ray and radiographs every 7 days for 3 weeks. RESULTS: Significant radiologic changes were observed in both groups against time (P > 0.001) or from week to week (P > 0.05). However, there was no statistical difference in radiologic scores after week 2 (P = 0.087) or week 3 (P = 0.077) between control and laser treated bone. CONCLUSIONS: Findings suggest that in this study, laser treatment did not enhance callus formation nor reduce repair time of complete fracture of the radius in rabbits.
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Authors: Angela Maria Paiva Magri; Kelly Rossetti Fernandes; Hueliton Wilian Kido; Gabriela Sodano Fernandes; Stephanie de Souza Fermino; Paulo Roberto Gabbai-Armelin; Franscisco José Correa Braga; Cintia Pereira de Góes; José Lucas Dos Santos Prado; Renata Neves Granito; Ana Claudia Muniz Rennó Journal: Laser Ther Date: 2019-09-30
Authors: Jie Bai; Lijun Li; Ni Kou; Yuwen Bai; Yaoyang Zhang; Yun Lu; Lu Gao; Fu Wang Journal: Stem Cell Res Ther Date: 2021-08-03 Impact factor: 6.832