标准编号：ISO 27020:2019
中文名称：牙科 畸齿矫正用托架和管
英文名称：Dentistry — Brackets and tubes for use in orthodontics
发布日期：2019-06
标准范围
This document specifies requirements and test methods to compare the functional dimensions of
orthodontic brackets and tubes and their chemical ion release, as well as packaging and labelling
information.
This document is applicable to brackets and tubes for use in fixed orthodontic appliances.
This document does not specify specific qualitative and quantitative requirements for freedom from
biological hazards; which are covered in ISO 10993-1 and ISO 7405.
立即下载标准文件