In addition, the cytotoxicity of this antibacterial stainless steel can also affect the result of implantation. The aim of this study is to evaluate the antibacterial activity of antibacterial stainless steel against P. gingivalis and its cytotoxicity, and thus
identify whether the antibacterial stainless steel can be used as a more suitable material to manufacture micro-implant in orthodontic treatment, especially for patients with diabetes.