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Evaluation of the reparative dentin formed and pulp inflammation triggered by the DPP-derived RGD-containing peptide (gray) and calcium hydroxide (white) after two and four weeks (n = 4). (a) Formation rate of the reparative dentin (%). (b) Compactness of the reparative dentin (%). (c) Degree of pulpitis (score). Asterisk indicates significant differences (* p < 0.01, ** p < 0.05).
