ISO INTERNATIONAL STANDARD 16409 Second edition 2016-10-15 Dentistry Oral care products - Manual interdental brushes Médecine bucco-dentaire - Produits de soins bucco-dentaires - Brosses interdentaires manuelles Reference number IS0 16409:2016(E) ISO International Organization for Standardization @IS02016 vided by IHS under I No reproduction or networking permitted without license from IHS IS0 16409:2016(E) COPYRIGHT PROTECTED DOCUMENT IS0 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either Iso at the address below or Iso's member body in the country of the requester. ISO copyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Internatinir DrganizationforStandardizatio No reproduction or networking permited without license from IHS IS0 16409:2016(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. 2 Normative references 3 Terms and definitions 4 Classification ..2 5 Requirements .2 5.1 Defects or contamination .2 5.2 Brush size. .2 5.3 Filament retention. 3 5.4 Stem retention. .3 5.5 Stem durability. .3 6 Sampling. .3 7 Test methods. 3 7.1 General. .3 7.2 Pass/fail criteria .3 7.3 Visual inspection. .3 7.4 Passage hole diameter 3 7.4.1 Apparatus. .3 7.4.2 Procedure 4 7.4.3 Evaluation ..5 7.5 Filament retention. ..6 7.5.1 Apparatus. .6 7.5.2 Procedure. .6 7.5.3 Evaluation. ..6 7.6 Stem retention.. 7.6.1 Apparatus. .6 7.6.2 Procedure. 7.6.3 Evaluation. ..8 7.7 Stem durability. ...8 7.7.1 Apparatus. ..8 7.7.2 Procedure. .10 7.7.3 Evaluation. 8 Test report ..11 9 Accompanying information ..11 9.1 Manufacturer's instructions for use ..1 9.2 Labelling on the package .11 10 Packaging ..12 iii ed without license from IHS