An antimicrobial dental material is characterized in: adding about 0.1˜0.5 weight % of antibacterial metal particles to a zirconia (ZrO2) powder substrate of antimicrobial dental material； wherein after completely mixing and sintering thereafter the antibacterial metal particles are naturally diffused in the zirconia substrate, so that antimicrobial dental material for manufacturing implants of dentures or prostheses or any other oral reconstruction is available.
