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Amendment A1 specifies two additional sizes (sizes 0 and 7) for the brush sizes of interdental brushes. This Amendment A1 to the European Standard has been adopted by Technical Committee CEN/TC 55 "Dentristry" (secretariat: DIN, Germany) from works of ISO/TC 106 "Dentistry". At DIN, the German Institute for Standardization, the responsible Working Group is NA 014-00-19 "Mundhygieneprodukte" ("Oral hygiene products") of the Dentistry Standards Committee (NADENT).
This document replaces DIN EN ISO 16409:2007-01 .
This document has been replaced by: DIN EN ISO 16409:2017-03 .