Dentistry - Laboratory cutters - Part 2: Carbide laboratory cutters (ISO 7787-2:2020)

This document specifies dimensional and other requirements for the 11 most commonly used carbide cutters which are predominantly used in the dental laboratory.
NOTE    These cutters are also used in podiatry.

Zahnheilkunde - Laborfräser - Teil 2: Laborfräser aus Hartmetall (ISO 7787-2:2020)

Dieses Dokument legt Anforderungen an Maße und andere Anforderungen für die 11 am häufigsten verwendeten Fräser aus Hartmetall fest, die überwiegend im Zahntechnikerlabor verwendet werden.
ANMERKUNG   Diese Fräser werden auch für die Fußpflege verwendet.

Médecine bucco-dentaire - Fraises de laboratoire - Partie 2: Fraises de laboratoire en carbure (ISO 7787-2:2020)

Le présent document spécifie les caractéristiques dimensionnelles et d'autres exigences pour les onze fraises en carbure les plus communément utilisées au laboratoire dentaire.
NOTE       Ces fraises sont également utilisées en podologie.

Zobozdravstvo - Laboratorijska rezila - 2. del: Kovinska laboratorijska rezila (ISO 7787-2:2020)

General Information

Status
Published
Publication Date
17-Mar-2020
Withdrawal Date
29-Sep-2020
Technical Committee
Drafting Committee
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
18-Mar-2020
Completion Date
18-Mar-2020

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SLOVENSKI STANDARD
01-maj-2020
Nadomešča:
SIST EN ISO 7787-2:2001
Zobozdravstvo - Laboratorijska rezila - 2. del: Kovinska laboratorijska rezila (ISO
7787-2:2020)
Dentistry - Laboratory cutters - Part 2: Carbide laboratory cutters (ISO 7787-2:2020)
Zahnheilkunde - Laborfräser - Teil 2: Laborfräser aus Hartmetall (ISO 7787-2:2020)
Médecine bucco-dentaire - Fraises techniques - Partie 2: Fraises en carbure (ISO 7787-
2:2020)
Ta slovenski standard je istoveten z: EN ISO 7787-2:2020
ICS:
11.060.25 Zobotehnični instrumenti Dental instruments
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 7787-2
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2020
EUROPÄISCHE NORM
ICS 11.060.20 Supersedes EN ISO 7787-2:2000
English Version
Dentistry - Laboratory cutters - Part 2: Carbide laboratory
cutters (ISO 7787-2:2020)
Médecine bucco-dentaire - Fraises de laboratoire - Zahnheilkunde - Laborfräser - Teil 2: Laborfräser aus
Partie 2: Fraises de laboratoire en carbure (ISO 7787- Hartmetall (ISO 7787-2:2020)
2:2020)
This European Standard was approved by CEN on 16 February 2020.

CEN members are bound to comply with 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 CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists 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 CEN-CENELEC Management
Centre has the same status as the official versions.

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, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 7787-2:2020 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 7787-2:2020) 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 by endorsement, at the latest by September 2020, and conflicting national standards
shall be withdrawn at the latest by September 2020.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 7787-2:2000.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this 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, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 7787-2:2020 has been approved by CEN as EN ISO 7787-2:2020 without any
modification.
INTERNATIONAL ISO
STANDARD 7787-2
Fifth edition
2020-02
Dentistry — Laboratory cutters —
Part 2:
Carbide laboratory cutters
Médecine bucco-dentaire — Fraises de laboratoire —
Partie 2: Fraises de laboratoire en carbure
Reference number
ISO 7787-2:2020(E)
©
ISO 2020
ISO 7787-2:2020(E)
© 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
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: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

ISO 7787-2:2020(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols . 2
5 Classification . 2
6 Requirements . 2
6.1 Materials . 2
6.1.1 Working part . 2
6.1.2 Shank . . 2
6.2 Shapes . 2
6.3 Dimensions and number of blades . 6
6.3.1 Working part . 6
6.3.2 Shank . . 7
6.4 Cutter blades . 7
6.5 Run-out . 7
7 Sampling . 7
8 Measurement and test methods . 7
8.1 Shapes . 7
8.2 Dimensions and number of blades . 7
8.3 Cutter blades . 7
8.4 Run-out . 7
8.5 Pass/fail evaluation . 7
9 Designation . 8
9.1 Designation code numbers . 8
9.2 Designation of cutter blades. 8
10 Marking on the instrument . 8
11 Labelling on the package . 8
12 Packaging . 8
Annex A (informative) Designation of cutter blades and number of blades .9
ISO 7787-2:2020(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 ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and 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.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/
iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 106, Dentistry, Subcommittee SC 4, Dental
instruments.
This fifth edition cancels and replaces the fourth edition (ISO 7787-2:2000), which has been technically
revised. The main changes compared to the previous edition are as follows:
— normative references have been updated;
— definitions have been added;
— classification has been added as Clause 5;
— a requirement for designation of cutter blades and number of blades has been moved from the main
body of this document to Annex A (now optional and for reference only).
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