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Zirconia is a promising material for dental implant with its excellent biocompatibility, good mechanical properties, and esthetic effect similar to natural teeth. To improve the bioactivity and osteogenic properties of zirconia, pre‐sintered zirconia discs were divided into C, T3, T5, and T7 group. Group C was as control. T3, T5, and T7 groups were soaked in hydrofluoric acid (HF) for 30, 50, and...