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. 2013 Mar 15;30(6):480–486. doi: 10.1089/neu.2012.2603

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Copyright 2013, Mary Ann Liebert, Inc.

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FIG. 1. — Effect of laser therapy on pain threshold induced by inferior alveolar nerve (IAN) injury in rats. Pain threshold as measured by von Frey test, expressed in grams. Measurements were determined before (baseline- BL), 2 days after the lesion, at which time we also conducted the first session of laser therapy (2d-1st), and at different intervals after laser therapy sessions. The results represent the mean±SEM of six animals per group. **p<0.01 and ***p<0.001 for comparison with IAN injury group and #p<0.05 for comparison with BL.