ISO INTERNATIONAL STANDARD 21671 First edition 2006-07-15 Dentistry Rotary polishers Art dentaire-Polissoirs rotatifs Referencenumber ISO 21671:2006(E) @ ISO 2006 ISO21671:2006(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibilty of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation ?ISO2006 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or IsO's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ISO 2006 -All rights reserved ISO21671:2006(E) Contents Page Foreword.. iv Introduction 1 Scope 2 Normative references 3 Terms, definitions and symbols... 3.1 Terms and definitions.... 3.2 Symbols... 4 Requirements.. 4.1 Materials. 4.2 4.3 Dimensions 4.4 Colour codes for marking of grit sizes for diamond-containing abrasives 4.5 Run-out 5 Unmountedpolishers 5.1 5.2 Lens. 5.3 Cylindrical for screw-in. 5.4 Conical for screw-in, truncated conical.... 5.5 Cylindrical for screw-in, end conical.... 5.6 Cylindrical, plain ... 5.7 Inverted conical, recessed cylindrical end 5.8 Inverted conical, recessed conical end..... 6 Mounted polishers. 8 6.1 Cylindrical. 6.2 Disc. 9 6.3 9 6.4 Spherical 10 6.5 Lens... 10 6.6 Torpedo, conical. 6.7 Cylindrical, end hemispherical...... 11 6.8 Bullet, tapered with round end... 12 6.9 Torpedo, cylindrical.... 12 6.10 Bud, slender ...... 13 6.11 13 6.12 Inverted conical, recessed conical end... 14 6.13 Inverted conical, conical pointed... 14 7 Test procedures... 15 7.1 15 7.2 Dimensions... 15 7.3 Run-out... 15 8 Samplingandacceptancequalitylimit (AQL) 15 9 Marking. .15 10 Labelling . 15 11 Packaging. 15 Bibliography 16 ion'ghts reserved ili ISO21671:2006(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (Iso member bodies). The work of preparing International Standards is normally carried out through sO technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeen non-governmental, in liaison with isO, also take part in the work. iso collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the IsO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards.Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75%of the member bodies casting a vote Attention isdrawn tothe possibility that someof the elements of this document may bethe subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO21671waspreparedbyTechnicalCommitteeISO/TC106,Dentistry,SubcommitteeSC4,Dental instruments. ISo 2006-All rights reserved ISO21671:2006(E) Introduction This International Standard is one of a series of standards relating to rotary instruments used in dentistry The various dimensional and other requirements specified for polishers are those considered important to ensure