ISO 27020:2019 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.                          
                          
                          
                            
                                
                                    
                                        Document identifier
                                        ISO 27020:2019
                                     
                                    
                                        Title
                                        Dentistry - Brackets and tubes for use in orthodontics
                                     
                                                                        
                                        ISO Category
                                        TC 106/SC 1: Filling and restorative materials
                                     
                                    
                                    
                                        Publication date
                                        2019-06-01
                                     
                                                                        
                                    
                                        International Relationship
                                        
                                                                                    
                                     
                                    
                                    
                                    
                                        History of version
                                        
                                        ISO 27020:2019 * ISO 27020:2010                                        
                                     
                                    
                                    
                                    
                                    
                                    
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