EN ISO 2157:2016

SLOVENSKI STANDARD
01-julij-2016
1DGRPHãþD
SIST EN ISO 2157:2000
Zobozdravstvo - Nazivni premeri in številke oznake vrtilnih instrumentov (ISO
2157:2016)
Dentistry - Nominal diameters and designation code numbers for rotary instruments (ISO
2157:2016)
Zahnheilkunde - Nenndurchmesser und Bezeichnungskodenummern für rotierende
Instrumente (ISO 2157:2016)
Médecine bucco-dentaire - Diamètres nominaux et designation par numéro de code pour
instruments rotatifs dentaires (ISO 2157:2016)
Ta slovenski standard je istoveten z: EN ISO 2157:2016
ICS:
11.060.25 =RERWHKQLþQLLQVWUXPHQWL Dental instruments
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 2157
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2016
EUROPÄISCHE NORM
ICS 11.060.20 Supersedes EN ISO 2157:1995
English Version
Dentistry - Nominal diameters and designation code
numbers for rotary instruments (ISO 2157:2016)
Médecine bucco-dentaire - Diamètres nominaux et Zahnheilkunde - Nenndurchmesser und
designation par numéro de code pour instruments Bezeichnungscodenummern für rotierende
rotatifs dentaires (ISO 2157:2016) Instrumente (ISO 2157:2016)
This European Standard was approved by CEN on 15 April 2016.

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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, 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: Avenue Marnix 17, B-1000 Brussels
© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 2157:2016 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 2157:2016) 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 November 2016, and conflicting national standards
shall be withdrawn at the latest by November 2016.
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 for identifying any or all such patent
rights.
This document supersedes EN ISO 2157:1995.
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, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Endorsement notice
The text of ISO 2157:2016 has been approved by CEN as EN ISO 2157:2016 without any modification.
INTERNATIONAL ISO
STANDARD 2157
Fourth edition
2016-05-01
Dentistry — Nominal diameters and
designation code numbers for rotary
instruments
Médecine bucco-dentaire — Diamètres nominaux et designation par
numéro de code pour instruments rotatifs dentaires
Reference number
ISO 2157:2016(E)
©
ISO 2016
ISO 2157:2016(E)
© ISO 2016, Published in Switzerland
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ii © ISO 2016 – All rights reserved

ISO 2157:2016(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions .
...