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Fig. 3 | BMC Oral Health

Fig. 3

From: Baseline MMP expression in periapical granuloma and its relationship with periapical wound healing after surgical endodontic treatment

Fig. 3

Baseline MMP expression in healing vs non-healing group. The baseline expression of MMPs 1, 2, 7, and 9 was measured in the healing (H) and non-healing (NH) groups. The Y-axis shows the relative expression (%) of each MMP gene tested. The lines with the asterisk sign show a significant difference (*p < 0.05; **p < 0.01) in the expression of MMPs between the healing and non-healing groups

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