ISO INTERNATIONAL STANDARD 9173-1 Third edition 2016-10-15 Dentistry Extraction forceps Part 1: General requirements Médecine bucco-dentaire-Daviers - Partie 1: Exigences genérales Reference number ISO 9173-1:2016(E) ISO International Organization for Standardization @IS02016 vided by IHS under lic itted without license from IHS IS0 9173-1:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS02016,PublishedinSwitzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior 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 copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax+412274909 47 [email protected] www.iso.org Intenationai br PrganizationforStandardization I by IHS unde etworking permitted without license from IHS IS0 9173-1:2016(E) Contents Page Foreword ..iv Introduction. 1 Scope. 2 Normative references. 3 Terms and definitions 4 Requirements .2 4.1 Materials .2 4.1.1 Component parts and fastening components 4.2 Maximum overall length 2 4.3 Rockwell hardness.. .2 4.4 Surface finish 2 4.4.1 All surfaces .2 4.4.2 Beaks 3 4.5 Resistance to reprocessing 3 4.6 Joint opening/closing force 3 4.7 Joint movement 3 5 Test methods. .3 5.1 Visual inspection .3 5.2 Resistance to reprocessing 3 5.3 Joint opening/closing force 3 5.4 Joint movement .3 6 Marking .4 Bibliography 5 iii vided by IHS under lic d without license from IHS