Figure 4 | Scientific Reports

Figure 4

From: Salivary peptidome analysis and protease prediction during orthodontic treatment with fixed appliances

Figure 4

Graphs showing the levels of matrix metalloproteinase-8 (MMP8) (a) and matrix metalloproteinase-9 (MMP9) (b), as measured by ELISA (Enzyme-linked immunosorbent assay), in unstimulated whole mouth saliva of 16 participants at four time-points. T1 baseline (before placement of orthodontic appliance), T2 1 h after placement of orthodontic appliance, T3 1 week after placement of orthodontic appliance T4 end of the alignment. Data were analysed by repeated measures ANOVA; *p < 0.05; **p < 0.01; ***p < 0.001.

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