ISO 14457:2012适用于牙科用于患者接触的手机和电机，无论其结构如何。它规定要求，测试方法，制造商的信息，标记和包装。 ISO 14457:2012适用于: 直角和齿轮角手机，包括手机附件; 高速空气涡轮机手机; 气动马达; 电机; prophy手机

ISO 14457:2012 is applicable to handpieces and motors used in dentistry for patient contact, regardless of their construction. It specifies requirements, test methods, manufacturer's information, marking and packaging. ISO 14457:2012 is applicable to: straight and geared angle handpieces, including handpiece attachments; high-speed air turbine handpieces; air motors; electrical motors; prophy handpieces.