Médecine bucco-dentaire — Méthodes d'essai pour instruments rotatifs — Amendement 1

General Information

Status
Published
Publication Date
07-May-2026
Current Stage
6060 - International Standard published
Start Date
08-May-2026
Due Date
19-Sep-2026
Completion Date
08-May-2026

Relations

Effective Date
12-Feb-2026
Effective Date
28-Oct-2023
Effective Date
23-Sep-2023

Overview

ISO 8325:2023/Amd 1:2026 is an amendment to the established ISO 8325:2023 standard, focusing on test methods for rotary instruments in dentistry. Developed by the International Organization for Standardization (ISO) Technical Committee 106, Subcommittee 4 (Dental instruments), this amendment introduces clarified definitions, updated test procedures, and additional calculation methods to ensure greater consistency and safety in the evaluation of rotary dental instruments. The amendment is produced in partnership with the European Committee for Standardization (CEN), strengthening alignment and global acceptance of dental instrument standards.

Key Topics

  • Updated Terminology: Incorporates references to ISO 1797, ISO 1942, and ISO 21850-1 for standardized definitions in dentistry.
  • Shank Dimensions Measurement:
    • The shank diameter and length are determined following ISO 1797.
    • Special provisions for shanks with markings, ensuring markings are included in fitting length if they meet dimensional requirements.
  • Neck Strength Testing Methods:
    • Introduces updated procedures for assessing the mechanical strength of the instrument’s neck.
    • Calculation of Test Force: Provides a revised formula for determining the appropriate test force, considering instrument dimensions and material characteristics.
    • Limitation on Test Force: Ensures force applied during testing does not exceed 60 N, reflecting realistic clinical conditions and instrument safety.
  • Clinical Relevance: Test forces for clinical use are typically lower (e.g., 2 N recommended), aligning laboratory tests with actual practice.
  • Bibliographic Reference: Adds ISO 7711-1, emphasizing its role in defining requirements for diamond rotary instruments.

Applications

  • Quality Assurance in Dental Manufacturing: Manufacturers of rotary dental instruments use ISO 8325:2023/Amd 1:2026 to validate product quality and ensure compliance with internationally recognized mechanical testing protocols.
  • Standardization Facilitates Global Trade: Consistent test methods assist in cross-border acceptance and certification of dental devices, reducing technical barriers to trade.
  • Dental Professionals' Safety: Provides reliable benchmarks for dental practitioners and regulatory authorities to assess the safety, durability, and performance of rotary instruments.
  • Product Development and Improvement: Research and development teams leverage the standardized definitions and testing formulas to create more robust and clinically effective dental rotary instruments.

Related Standards

  • ISO 8325:2023: Dentistry - Test methods for rotary instruments (parent standard)
  • ISO 1797: Dental rotary instruments - Shanks (referenced for measuring shank dimensions)
  • ISO 1942: Dentistry - Vocabulary (robust glossary for consistency in terminology)
  • ISO 21850-1: Dentistry - Rotary instruments - General requirements (for definitions)
  • ISO 7711-1: Dentistry - Diamond rotary instruments - Part 1: General requirements (referenced in calculation of test forces)

Practical Value

The implementation of ISO 8325:2023/Amd 1:2026 elevates quality assurance for dental rotary instruments by clarifying measurement methods, ensuring test conditions resemble actual clinical use, and harmonizing terminology. Adoption of this amendment supports manufacturers, regulatory bodies, and dental professionals worldwide by providing a reliable framework for the safety and performance assessment of dental rotary instruments, ultimately promoting better oral healthcare outcomes.

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ISO 8325:2023/Amd 1:2026 - Dentistry — Test methods for rotary instruments — Amendment 1

Release Date:08-May-2026
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ISO 8325:2023/Amd 1:2026 - Médecine bucco-dentaire — Méthodes d'essai pour instruments rotatifs — Amendement 1

Release Date:08-May-2026
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Frequently Asked Questions

ISO 8325:2023/Amd 1:2026 is a standard published by the International Organization for Standardization (ISO). Its full title is "Dentistry — Test methods for rotary instruments — Amendment 1". This standard covers: Dentistry — Test methods for rotary instruments — Amendment 1

Dentistry — Test methods for rotary instruments — Amendment 1

ISO 8325:2023/Amd 1:2026 is classified under the following ICS (International Classification for Standards) categories: 11.060.20 - Dental equipment. The ICS classification helps identify the subject area and facilitates finding related standards.

ISO 8325:2023/Amd 1:2026 has the following relationships with other standards: It is inter standard links to EN ISO 8325:2023/FprA1, ISO 24395:2023, ISO 8325:2023. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

ISO 8325:2023/Amd 1:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


International
Standard
ISO 8325
Third edition
Dentistry — Test methods for rotary
2023-03
instruments
AMENDMENT 1
AMENDMENT 1
2026-05
Médecine bucco-dentaire — Méthodes d'essai pour instruments
rotatifs
AMENDEMENT 1
Reference number
ISO 8325:2023/Amd.1:2026(en) © ISO 2026

ISO 8325:2023/Amd.1:2026(en)
© ISO 2026
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
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO 8325:2023/Amd.1:2026(en)
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).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
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, in collaboration with the European Committee for Standardization (CEN
...


Norme
internationale
ISO 8325
Troisième édition
Médecine bucco-dentaire —
2023-03
Méthodes d'essai pour instruments
rotatifs
AMENDEMENT 1
2026-05
AMENDEMENT 1
Dentistry — Test methods for rotary instruments
AMENDMENT 1
Numéro de référence
ISO 8325:2023/Amd.1:2026(fr) © ISO 2026

ISO 8325:2023/Amd.1:2026(fr)
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2026
Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette
publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,
y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable. Une autorisation peut
être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Case postale 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Genève
Tél.: +41 22 749 01 11
E-mail: copyright@iso.org
Web: www.iso.org
Publié en Suisse
ii
ISO 8325:2023/Amd.1:2026(fr)
Avant-propos
L’ISO (Organisation internationale de normalisation) est une fédération mondiale d’organismes nationaux
de normalisation (comités membres de l’ISO). L’élaboration des Normes internationales est en général
confiée aux comités techniques de l’ISO. Chaque comité membre intéressé par une étude a le droit de faire
partie du comité technique créé à cet effet. Les organisations internationales, gouvernementales et non
gouvernementales, en liaison avec l’ISO participent également aux travaux. L’ISO collabore étroitement avec
la Commission électrotechnique internationale (IEC) en ce qui concerne la normalisation électrotechnique.
Les procédures utilisées pour élaborer le présent document et celles destinées à sa mise à jour sont
décrites dans les Directives ISO/IEC, Partie 1. Il convient, en particulier, de prendre note des différents
critères d’approbation requis pour les différents types de documents ISO. Le présent document
a été rédigé conformément aux règles de rédaction données dans les Directives ISO/IEC, Partie 2
(voir https://www.iso.org/directives).
L’ISO attire l’attention sur le fait que la mise en application du présent document peut entraîner l’utilisation
d’un ou de plusieurs brevets. L’ISO ne prend pas position quant à la preuve, à la validité et à l’applicabilité
de tout droit de brevet revendiqué à cet égard. À la date de publication du présent document, l’ISO [avait/
n’avait pas] reçu notification qu’un ou plusieurs brevets pouvaient être nécessaires à sa mise en application.
Toutefois, il y a lieu d’avertir les responsables de la mise en application du présent document que des
informations plus récentes sont susceptibles de figurer dans la base de données de brevets, disponible à
l’adresse www.iso.org/brevets. L’ISO ne saurait être tenue pour responsable de ne pas avoir identifié tout ou
partie de tels droits de brevet.
Les appellations commerciales éventuellement mentionnées dans le présent document sont données pour
information, par souci de commodité, à l’intention des utilisateurs et ne sauraient constituer un engagement.
Pour une explication de la nature volontaire des normes, la signification des termes et expressions
spécifiques de l’ISO liés à l’évaluation de la conformité, ou pour toute information au sujet de l’adhésion de
l’ISO aux principes de l’Organisation mondiale du commerce (OMC) concernant les obstacles techniques au
commerce (OTC), voir le lien suivant: www.iso.org/avant-propos.
Le présent document a été élaboré par le comité technique ISO/TC 106, Médecine bucco-dentaire, sous-comité
SC 4, Instruments dentaires, en collaboration avec le comité technique CEN
...

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