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Effect of hydrogel degree of cross-linking on morphology of encapsulated DPSCs. (a) Representative images of DPSC-laden PF hydrogels following 21 days of culture (n = 3; scale bar = 100 μm). (b) Percentage of cell aggregation after 21 days of culture. Mean ± SD: n = 3, 2-3 images/gel sample. *** P < 0.001, Fisher's post hoc test.
