1、August 2011 Translation by DIN-Sprachendienst.English price group 13No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS
2、 11.060.25!$t(k“1810572www.din.deDDIN EN ISO 21671Dentistry Rotary polishers (ISO 21671:2006 + Amd. 1:2011)English translation of DIN EN ISO 21671:2011-08Zahnheilkunde Rotierende Polierer (ISO 21671:2006 + Amd. 1:2011)Englische bersetzung von DIN EN ISO 21671:2011-08Art dentaire Polissoirs rotatifs
3、(ISO 21671:2006 + Amd. 1:2011)Traduction anglaise de DIN EN ISO 21671:2011-08SupersedesDIN EN ISO 21671:2006-10www.beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.2407.11 DIN EN ISO 21671:2011-08 2 A comma is used as the decimal marker
4、. National foreword This standard has been prepared by Technical Committee ISO/TC 106 “Dentistry” in collaboration with Technical Committee CEN/TC 55 “Dentistry” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was the Normenausschuss Dental (Dentistry Standards C
5、ommittee), Working Committee NA 014-00-04 AA Rotierende Instrumente. The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 1797-1 DIN EN ISO
6、1797-1 ISO 1797-2 DIN EN ISO 1797-2 ISO 1942 DIN EN ISO 1942 ISO 2859-1 DIN ISO 2859-1 ISO 6360-1 DIN EN ISO 6360-1 ISO 6360-2 DIN EN ISO 6360-2 ISO 6360-6 DIN EN ISO 6360-6 ISO 7711-3 DIN EN ISO 7711-3 ISO 8325 DIN EN ISO 8325 ISO 13295 DIN EN ISO 13295 Amendments This standard differs from DIN EN
7、ISO 21671:2006-10 as follows: a) Amendment EN ISO 21671:2006/A1:2011 has been incorporated; b) the former Table 1 has been replaced with a new Table 1 “Colour code for grit sizes of diamond-containing abrasives ; c) a new Table 2 “Grit sizes for polishing instruments” has been added. Previous editio
8、ns DIN EN ISO 21671: 2006-10 ”DIN EN ISO 21671:2011-08 3 National Annex NA (informative) Bibliography DIN EN ISO 1797-1, Dental rotary instruments Shanks Part 1: Shanks made of metals DIN EN ISO 1797-2, Dental rotary instruments Shanks Part 2: Shanks made of plastics DIN EN ISO 1942, Dentistry Vocab
9、ulary DIN ISO 2859-1, Sampling procedures for inspection by attributes Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection DIN EN ISO 6360-1, Dentistry Number coding system for rotary instruments Part 1: General characteristics DIN EN ISO 6360-2, Dentistry Nu
10、mber coding system for rotary instruments Part 2: Shapes DIN EN ISO 6360-6, Dentistry Number coding system for rotary instruments Part 6: Specific characteristics of abrasive instruments DIN EN ISO 7711-3, Dentistry Diamond rotary instruments Part 3: Grit sizes, designation and colour code DIN EN IS
11、O 8325, Dentistry Test methods for rotary instruments DIN EN ISO 13295, Dentistry Mandrels for rotary instruments DIN EN ISO 21671:2011-08 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 21671 July 2006 + A1 May 2011 ICS 11.060.20 English version Dentistry
12、 Rotary polishers (ISO 21671:2006 + Amd. 1:2011) Art dentaire Polissoirs rotatifs (ISO 21671:2006 + Amd. 1:2011) Zahnheilkunde Rotierende Polierer (ISO 21671:2006 + Amd. 1:2011) EN ISO 21671:2006 was approved by CEN on 2006-06-26 and Amendment A1:2011 on 2011-04-28. CEN members are bound to comply w
13、ith the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Cent
14、re or to any CEN member. The European Standards exist in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official ver
15、sions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, S
16、lovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN
17、 national Members. Ref. No. EN ISO 21671:2006 + A1:2011 EEN ISO 21671:2006 + A1:2011 (E) Contents Page 2 DIN EN ISO 21671:2011-08 Foreword to EN ISO 21671:20063 !Foreword to EN ISO 21671:2006/A1:2011 .3 Introduction .4 1 Scope 5 2 Normative references 5 3 Terms, definitions and symbols.5 3.1 Terms a
18、nd definitions .5 3.2 Symbols 6 4 Requirements.6 4.1 Materials .6 4.2 Shapes 6 4.3 Dimensions.6 4.4 Colour codes for marking of grit sizes for diamond-containing abrasives.7 !4.5 Grit sizes for polishing instruments“.7 !4.6“ Run-out8 5 Unmounted polishers8 5.1 Disc .8 5.2 Lens.9 5.3 Cylindrical for
19、screw-in .9 5.4 Conical for screw-in, truncated conical 10 5.5 Cylindrical for screw-in, end, conical, pointed .10 5.6 Cylindrical, plain 11 5.7 Inverted conical, recessed cylindrical end .11 5.8 Inverted conical, recessed conical end.12 6 Mounted polishers.12 6.1 Cylindrical.12 6.2 Disc .13 6.3 Whe
20、el 13 6.4 Spherical.14 6.5 Lens.14 6.6 Torpedo, conical 15 6.7 Cylindrical, end hemispherical.15 6.8 Bullet, tapered with round end.16 6.9 Torpedo, cylindrical.16 6.10 Bud, slender .17 6.11 Inverted conical, recessed conical end, with collar.17 6.12 Inverted conical, recessed conical end.18 6.13 Inv
21、erted conical, conical pointed.18 7 Test procedures.19 7.1 Shape 19 7.2 Dimensions.19 7.3 Run-out .19 8 Sampling and acceptance quality limit (AQL) 19 9 Marking .19 10 Labelling .19 11 Packaging .19 Bibliography 20 EN ISO 21671:2006 + A1:2011 (E) Foreword to EN ISO 21671:2006 This document (EN ISO 2
22、1671:2006) has been prepared by Technical Committee ISO/TC 106 “Dentistry” in collaboration with Technical Committee CEN/TC 55 “Dentistry”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or
23、by endorsement, at the latest by January 2007, and conflicting national standards shall be withdrawn at the latest by January 2007. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible f
24、or identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece
25、, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of ISO 21671:2006 has been approved by CEN as EN ISO 21671:2006 without any modific
26、ations. !Foreword to EN ISO 21671:2006/A1:2011 This document (EN ISO 21671:2006/A1:2011) has been prepared by Technical Committee ISO/TC 106 “Dentistry” in collaboration with Technical Committee CEN/TC 55 “Dentistry” the secretariat of which is held by DIN. This Amendment to the European Standard EN
27、 ISO 21671:2006 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2011, and conflicting national standards shall be withdrawn at the latest by November 2011. Attention is drawn to the possibility that some of the
28、 elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement th
29、is European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerlan
30、d and the United Kingdom. Endorsement notice The text of ISO 21671:2011/Amd. 1:2011 has been approved by CEN as EN ISO 21671:2006/A1:2011 without any modification.“ 3 DIN EN ISO 21671:2011-08 EN ISO 21671:2006 + A1:2011 (E) Introduction This International Standard is one of a series of standards rel
31、ating to rotary instruments used in dentistry. The various dimensional and other requirements specified for polishers are those considered important to ensure the interchangeability and safe usage of these instruments in the dental laboratory and at the dentists working place. The nominal diameters
32、of the working part listed in Clauses 5 and 6 comply preferably with the diameters specified in ISO 2157. Attention is drawn to ISO 6360 which specifies a 15-digit number coding system for the identification of rotary instruments of all types used in dentistry. 4 DIN EN ISO 21671:2011-08 EN ISO 2167
33、1:2006 + A1:2011 (E) 1 Scope This International Standard specifies the dimensions and other requirements for the most commonly used polishers which are used at the working place of the dentist and/or in the dental laboratory. This International Standard is applicable to unmounted and mounted polishe
34、rs. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 1797-1:1992, Denta
35、l rotary instruments Shanks Part 1: Shanks made of metals ISO 1797-2, Dental rotary instruments Shanks Part 2: Shanks made of plastics ISO 1942, Dentistry Vocabulary ISO 2859-1, Sampling procedures for inspection by attributes Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lo
36、t-by-lot inspection ISO 6360-1, Dentistry Number coding system for rotary instruments Part 1: General characteristics ISO 6360-2, Dentistry Number coding system for rotary instruments Part 2: Shapes ISO 6360-6, Dentistry Number coding system for rotary instruments Part 6: Specific characteristics of
37、 abrasive instruments !ISO 7711-3, Dentistry Diamond rotary instruments Part 3: Grit sizes, designation and colour code“ 5 DIN EN ISO 21671:2011-08 ISO 8325, Dentistry Test methods for rotary instruments ISO 13295, Dentistry Mandrels for rotary instruments 3 Terms, definitions and symbols 3.1 Terms
38、and definitions For the purposes of this document, the terms and definitions given in ISO 1942 and the following apply. 3.1.1 polisher rotary instrument used in dentistry for polishing dental materials or teeth 3.1.2 mounted polisher nondetachable polisher that is fixed on a shank EN ISO 21671:2006
39、+ A1:2011 (E) 3.1.3 unmounted polisher polisher that is delivered without a fixture or shank, but which is to be mounted on a fixture or mandrel with a fixture or a screw 3.2 Symbols For the purpose of this document the following symbols apply: d1diameter of working part, head diameter; dndiameter a
40、s appropriate (see Figures 1 to 21); l1length of working part; lnlength as appropriate (see Figures 1 to 21); 1angle of working part; 2angle of screw-in orifice; nangle as appropriate. 4 Requirements 4.1 Materials 4.1.1 Working part The working part shall be made of silicon rubber, natural rubber or
41、 synthetic rubber with the possible addition of abrasive materials. The selection of the type of material and its treatment shall be at the discretion of the manufacturer. 4.1.2 Shank or mandrel The material of the shank for mounted polishers shall comply with ISO 1797-1 or ISO 1797-2. The material
42、of the mandrel used for unmounted polishers shall comply with ISO 13295. The material of mandrels not specified shall be at the discretion of the manufacturer. 4.2 Shapes The shapes of the working part shall be as specified in Figures 1 to 21. Variations of the shapes within the limited dimensions a
43、nd the description used in the subclause titles are permitted. Sharp or slightly rounded edges are at the discretion of the manufacturer. Testing shall be carried out in accordance with 7.1. 4.3 Dimensions Dimensions are given in millimetres, angles in degrees. 6 DIN EN ISO 21671:2011-08 EN ISO 2167
44、1:2006 + A1:2011 (E) 4.3.1 Working part The dimensions of the working part shall be as specified in the appropriate Tables in Clauses 5 and 6. Testing shall be carried out in accordance with 7.2. 4.3.2 Shanks and mandrels 4.3.2.1 Mounted polishers The shank of mounted polishers shall be either Type
45、1, Type 2, Type 3 or Type 4 of ISO 1797-1:1992. Screw threaded shanks shall be 1,80 mm diameter with 0,35 mm thread pitch or with 0,40 mm thread pitch. 4.3.2.2 Unmounted polishers Mandrels for unmounted polishers shall be in accordance with ISO 13295. 4.4 Colour codes for marking of grit sizes for d
46、iamond-containing abrasives The application of the colour code is left to the discretion of the manufacturer. If colour coding is applied, it shall be performed as described in this International Standard. Take account of the fitting length of the shank according to ISO 1797-1 and to ISO 1797-2. Pos
47、ition of colour coding: on the shank, next to the working part. ! Colour coding for marking of grit sizes for diamond-containing abrasives shall be in accordance with ISO 7711-3. Table 1 Colour code for grit sizes of diamond-containing abrasives Grit size of abrasives in the working part Abbreviatio
48、n Colour of ring marking Ultra fine UF White Extra fine EF Yellow Fine F Red Medium M Blue Coarse C Green Very coarse VC Black “ !4.5 Grit sizes for polishing instruments“ 7 DIN EN ISO 21671:2011-08 !Grit sizes for polishing instruments shall be as specified in Table 2. EN ISO 21671:2006 + A1:2011 (
49、E) Table 2 Grit sizes for polishing instruments Grit size designation Diamond grit Other grits (e.g. corundum carbide) Name Abbreviation Grit size m Grit designation (e.g. FEPA) Grit size m Grit designation (e.g. FEPA) Ultra fine UF 1 to 4 M1 to M4 3,0 F1200 Extra fine EF 4 to 8 M4 to M8 3 to 8 F1000 Fine F 8 to 32 M8 to M32 6,5 to 12,8 F800 to F500 Medium M 32 to 69 M32 to D76 22,8 to 75 F360 to F220 Coarse C 69 to 164 D76 to D181 63 to 150 F180 to F100 Very coarse VC 164 D
