Purpose: The aim of this study was to evaluate the effects of helium-neon and gallium-aluminum-arsenide 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 and 10 J/cm 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 (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 did not have an inhibition effect on bone regeneration.
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