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U.S. Department of Health and Human Services

Recognized Consensus Standards: Medical Devices

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Part B: Supplementary Information Sheet (SIS)
FR Recognition List Number 055 Date of Entry 12/21/2020 
FR Recognition Number 4-267
ISO  21606 First edition 2007-06
Dentistry - Elastomeric auxiliaries for use in orthodontics
Identical Adoption
ANSI ADA Standard No. 105-2010 (R2015)
Orthodontic Elastomeric Materials
ISO 21606:2007 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.
Extent of Recognition
Complete standard
Rationale for Recognition
This standard is relevant to medical devices and is recognized on its scientific and technical merit and/or because it supports existing regulatory policies.
Transition Period
FDA recognition of ISO 21606 First edition 2007-06 [Rec# 4-267] will be superseded by recognition of ISO 21606 Second edition 2022-08 [Rec# 4-304]. FDA will accept declarations of conformity, in support of premarket submissions, to [Rec# 4-267] until July 6, 2025. After this transition period, declarations of conformity to [Rec# 4-267] will not be accepted.
Public Law, CFR Citation(s) and Procode(s)*
Regulation Number Device Name Device Class Product Code
§872.5410 Band, Elastic, Orthodontic Class 1 ECI
§872.5500 Headgear, Extraoral, Orthodontic Class 2 DZB
Relevant FDA Guidance and/or Supportive Publications*
Appropriate Use of Voluntary Consensus Standards in Premarket Submissions for Medical Devices - Guidance for Industry and Food and Drug Administration Staff, issued September 2018.
FDA Technical Contact
 Bobak Shirmohammadi
Standards Development Organization
ISO International Organization for Standardization https://www.iso.org/
FDA Specialty Task Group (STG)
*These are provided as examples and others may be applicable.