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Compressive force induces the proliferation of HGFs. Proliferation of HGFs under 25 g/cm2 compressive force for 0, 12, 24, 48 and 72 h was analyzed via Cell Counting Kit-8 assays. One-way ANOVA followed by Dunnett's post hoc test was used to analyze data. *P<0.05 vs. 0 h. HGF, human gingival fibroblast; OD, optical density.
