Low intensity laser application reduces pain induced by archwires used during the final stage of orthodontic treatment, without any interference regarding the kind of bracket, as reported by patients.

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G2: 15 patients treated with Fitostimuline Gel ® 3 times per day, until the lesion disappeared. G3: 15 patients treated with LLLT. G4:15 patients treated with LLLT and Fitostimuline ® 3 times per day, until the lesion healed completely.