This International Standard is applicable to all elastomeric auxiliaries including orthodontic elastics,elastomeric bands,chains,links,thread and ligatures used for orthodontics both inside and outside the mouth,in conjunction with fixed and removable appliances.
EN ISO 21606:2007 history
2022EN ISO 21606:2022 Dentistry - Elastomeric auxiliaries for use in orthodontics (ISO 21606:2022)
2007EN ISO 21606:2007 Dentistry - Elastomeric auxiliaries for use in orthodontics (ISO 21606:2007)