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Metabolic activity (methylthiazol tetrazolium assay) of periodontal ligament stem cells seeded on PADM and HAp-PADM.
Notes: Data represents mean ± standard deviation (n = 9, nine replicates per time point for each experimental condition); *P < 0.05; **P < 0.01 (PADM versus HAp-PADM).
Abbreviations: HAp-PADM, hydroxyapatite-coated porcine acellular dermal matrix; PADM, porcine acellular dermal matrix.
