ISO INTERNATIONAL STANDARD 1797 Third edition 2017-05 Dentistry Shanks for rotary and oscillating instruments Médecine bucco-dentaire - Queues pour instruments rotatifs et oscillants Reference number IS01797:2017(E) International Organization for Standardization @ IS0 2017 =ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under lic itted without license from IHS IS0 1797:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, Published in Switzerland 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. ISOcopyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org Internatinair PrganizationforStandardization nsee-ZHEJIANG INSTOF STANDARDIZAoSQa7 - All rights reserved Not for Resale, 2017/8/21 01:08:59 etworking permitted without license from IHS IS0 1797:2017(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references .1 3 Terms, definitions and symbols. 3.1 Terms and definitions .1 3.2 Symbols .2 4 Classification 5 Requirements .4 5.1 Dimensions 4 5.1.1 Dimensions of shanks made of metal, tungsten carbide or ceramic material :4 5.1.2 Dimensions of Type 1 plastic shanks :5 5.1.3 Shank cylindricity 6 5.1.4 Surface roughness. 7 5.1.5 Location of marking 5.1.6 Colour code of plastic shanks .7 5.2 Material requirements. .7 5.2.1 Shanks made of metal or tungsten carbide .7 5.2.2 Shanks made of ceramic materials .7 5.2.3 Shanks made of plastic materials ..8 6 Sampling and pass/fail evaluation 7 Measurement and test methods .8 7.1 Shank diameter.. ..8 7.2 Other dimensions 7.3 Shank cylindricity .9 7.4 Surface roughness .9 7.5 Vickers hardness 9 7.6 Tensile strength (only for shanks made of plastic materials) .9 7.7 Heat resistance, colour stability and stability against swelling (only for shanks made of plastic materials) .9 7.7.1 Apparatus. .9 7.7.2 Procedure. .9 7.7.3 Swelling resistance during reprocessing. .9 Annex A (informative) Quality control .10 Bibliography .11 iii ee=ZHEJIANG INSTOFSTANDARDIZATION C15956617 d without license from IHS Not for Resale, 2017/8/21 01:08:59