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. Author manuscript; available in PMC: 2019 Nov 1.
Published in final edited form as: Oral Dis. 2018 Jul 6;24(8):1591–1598. doi: 10.1111/odi.12919

Figure 1.

Figure 1

Effects of intramuscular treatments on (A) VAS scores, (B) PPT and (C) PPtol measures. Data were normalized to the baseline scores for each participant. Mean percent changes in the VAS scores, PPT and PPtol measures were plotted against time and compared between saline and morphine treatment conditions. * denotes significant treatment effect between morphine 5 mg and saline groups. # denotes significant changes compared to the baseline values for all three treatment groups over time. The data are represented as mean ± SEM.