现代牙科诊所应该是人- 机械- 环境非常和谐的综合体。其中人是主体,始终是以人的意识和目的去设计环境和操作机械,环境和设施都是按照人类工效学的原理去设计的,人只有在这样的环境和设施中才能安全、舒适、高效、科学、健康地进行牙科医疗工作。以人为中心,什么样的操作体位是合理的?与以人为中心,什么样的机械环境系统是合理的?是本文要着重阐明的问题。 Modern dental clinic should be people - machinery - the environment is very harmonious combination. Among them, people are the main body. They always design environment and operate machinery based on human consciousness and purpose. The environment and facilities are designed according to the principles of ergonomics. People can be safe, comfortable and efficient only in such environment and facilities , Scientific and healthy dental work. People-centered, what kind of operating position is reasonable? And people-centered, what kind of mechanical environment system is reasonable? This article should focus on the problem.