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To investigate the effect of several chelating solutions on transforming growth factor (TGF‐β) release from dentine discs and their subsequent impact on cellular behaviour.

Human dentine discs were prepared with a standardized diameter and disinfected using 1.5% NaOCl for 5 min. The dentine discs were then exposed to 17% ethylenediaminetetraacetic acid (EDTA), 1% phytic acid (IP6), 9% etidronic acid (HEDP) or distilled water (DW). The release of transforming growth factor (TGF‐β) was quantified using ELISA. The proliferation of dental pulp stem cells (DPSCs) on the conditioned dentine discs was analysed using an MTT assay, and the cell morphology was observed by SEM. Migration of DPSCs towards the conditioned dentine discs was measured using a Transwell assay. Data for cell proliferation and migration were analysed using two‐way analysis of variance with a Bonferroni post …