ISO INTERNATIONAL STANDARD 22598 First edition 2020-04 Dentistry Colour tabs for intraoral tooth colour determination Médecine bucco-dentaire - Plaquettes de teinte pour la détermination de la teinte dentaire intra-buccale Reference number IS0 22598:2020(E) ISO @ IS0 2020 IS0 22598:2020(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2020 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 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: copyright@iso.org Website: www.iso.org Published in Switzerland i @ IS0 2020 - All rights reserved