ISO INTERNATIONAL STANDARD 19715 First edition 2017-05 Dentistry Filling instrument with contra angle Médecine bucco-dentaire - Instrument d'obturation a double angulation Reference number ISO 19715:2017(E) so International Organization for Standardization see=ZHEJIANG INST OF STANDARDIZATION C1 5956617 @IS02017 vided by IHS under I Not for Resale, 2017/8/21 01:06:23 No reproduction or networking permitted without license from IHS IS0 19715:2017(E) COPYRIGHT PROTECTED DOCUMENT 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. ISO copyright office 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 Licensee-ZHEJIANG INST OF STANDARDIzoISQ 07 - All rights reserved networking permited without license from IHS IS0 19715:2017(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Classification ..2 5 Requirements .4 5.1 Dimensions. 4 5.2 Dimensions of working end .4 5.3 Materials .5 5.4 Surface finish .5 5.5 Handle. .5 5.6 Designation and combination of working ends .5 5.7 Resistance to reprocessing .5 6 Measurement and test methods .6 6.1 Dimensions. ..6 6.2 Hardness testing .6 6.3 Surface roughness inspection 6.4 Resistance to reprocessing test ..6 7 Marking ..6 Annex A (informative) Designation and combinations of working ends .7 Bibliography 9 ii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 without license from IHS