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Comparative evaluation of various low-level laser therapies on bone healing following tooth extraction: An experimental animal study
(Churchill Livingstone, 2018) Cirak, Erkan; Ozyurt, Anil; Peker, Tuncay; Omeroglu, Suna; Gungor, Mehmet Nadir
Purpose: The aim of this study was to evaluate the effects of helium-neon and gallium-aluminumarsenide lasers with various doses on bone healing following tooth extraction. Materials and Methods: Maxillary right incisor teeth of 30 female albino Wistar rats were extracted. Five groups were established: four groups treated with helium-neon or gallium-aluminum-arsenide lasers and a control group. Both laser groups' rats received energy doses of 6 J/cm(2) and 10 J/cm(2) for 7 days. At the end of 30 days, all subjects were sacrificed for histological and morphological evaluations. Results: Laser groups showed faster bone healing and gallium-aluminum-arsenide lasers increased vascular immunoreactivity. The most widespread organized bone formation in the extraction socket was observed in the gallium-aluminum-arsenide laser group with the energy dose of 10 J/cm(2) (p < 0.05). Conclusion: This study demonstrated that low-level laser therapies were effective on alveolar bone healing and that an energy dose of 10 J/cm(2) did not have an inhibition effect on bone regeneration. (C) 2018 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved.