Journal of Oral Medicine and Pain

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Fig. 5.

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Fig. 5. Mean concentrations of IL-8 and MMP-9 in pain-free and pain groups according to the duration of pain. The concentrations of salivary IL-8 and MMP-9 were statistically higher in the pain groups suffering from pain for 3 months or less than in the pain-free group (*,**p<0.05). The Mann–Whitney U-test was performed to compare concentrations of IL-8 and MMP-9 between groups. IL-8, interleukin-8; MMP-9, matrix metalloprotease 9.
Journal of Oral Medicine and Pain 2019;44:160-8 https://doi.org/10.14476/jomp.2019.44.4.160
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