ISO INTERNATIONAL STANDARD 7492 Fourth edition 2019-03 Dentistry Dental explorer Médecine bucco-dentaire - Sondes exploratrices dentaires Reference number IS0 7492:2019(E) Tso @IS02019 IS0 7492:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland i @ IS0 2019 - All rights reserved IS0 7492:2019(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 Terms and definitions 4 Requirements .3 4.1 Materials. 3 4.1.1 Material of the working end .3 4.1.2 Material of the handle 3 4.2 Location of measurement points. .3 4.3 Shape and dimensions.. 3 4.4 Hardness of working tip. .6 4.5 Connection between working end and handle 7 4.6 Surface finish .7 4.7 Resistance to reprocessing .7 5 Test methods. .7 5.1 Visual inspection .7 5.2 Dimensions. .7 5.3 Hardness testing .7 5.4 Connection between working end and handle 5.4.1 Tensile load .7 5.4.2 Torque. 5.5 Resistance to reprocessing .8 6 Marking and labelling. .8 6.1 Labelling on the package ..8 6.2 Marking on the instrument. ..8 @ IS0 2019 - All rights reserved iii