Orthodontic appliance material, manufacturing process and orthodontic appliance

The invention discloses an orthodontic appliance material, a manufacturing process and the orthodontic appliance. The orthodontic appliance material comprises the following components in percentage by mass: less than or equal to 0.05% of C, 15-17% of Cr, 10-12% of Ni, 2-3% of Mo, 3-5% of ZrO2, 2-3% of Ag and the balance of Fe. According to the orthodontic appliance material, the metal powder of special configuration is proportioned, the orthodontic appliance is manufactured through the processing method of metal powder injection moulding. The obtained orthodontic appliance is high in hardness and surface smoothness, has an antibacterial effect, and is fine and full in characteristics. 本发明公开了一种牙齿矫正器的材料、制作工艺及牙齿矫正器，以质量百分比计，所述牙齿矫正器的材料包括：C≤0.05％，Cr:15-17％，Ni:10-12％，Mo:2-3％，ZrO2:3-5％，Ag:2-3％，剩余为Fe，本发明采用特殊配置的金属粉末配比，通过金属粉末注射成型的加工方法制作牙齿矫正器，得到的牙齿矫正器硬度高，表面光洁度高，具有抗菌作用，特征精细饱满。