FprEN ISO 3630-8

Dentistry - Endodontic instruments - Part 8: Accuracy of electronic apex locator (ISO/FDIS 3630-8:2026)

This part of ISO 3630 specifies requirements and test methods for the accuracy of electronic apex locators that are used to determine the apical foramen (‘apex’ in this document) location during endodontic treatment. Integrated types of electronic apex locators are excluded from this standard.

Zahnheilkunde - Endodontische Instrumente - Teil 8: Genauigkeit des elektronischen Apex-Locators (ISO/FDIS 3630-8:2026)

Médecine bucco-dentaire - Instruments d'endodontie - Partie 8: Précision du localisateur électronique d'apex (ISO/FDIS 3630-8:2026)

Zobozdravstvo - Endodontski instrumenti - 8. del: Točnost elektronskega iskalnika vrha (ISO/FDIS 3630-8:2026)

General Information

• Status: Not Published
• Publication Date: 28-Jun-2026
• ICS: 11.060.25 - Dental instruments
• Technical Committee: CEN/TC 55 - Dentistry
• Drafting Committee: CEN/TC 55 - Dentistry
• Current Stage: 6055 - CEN Ratification completed (DOR) - Publishing
• Start Date: 27-Apr-2026
• Due Date: 07-Feb-2026
• Completion Date: 27-Apr-2026
• Ref Project: kSIST FprEN ISO 3630-8:2026 - Dentistry - Endodontic instruments - Part 8: Accuracy of electronic apex locator (ISO/FDIS 3630-8:2026)

Relations

• Consolidated By: ISO 3630-8 - Dentistry — Endodontic instruments — Part 8: Accuracy of electronic apex locator
• Effective Date: 12-Feb-2026

Overview

FprEN ISO 3630-8: Dentistry - Endodontic instruments - Part 8: Accuracy of electronic apex locator specifies international requirements and test methods for measuring the accuracy of electronic apex locators in endodontic treatment. These medical devices are crucial in determining the location of the apical foramen (apex) in the root canal during dental procedures. This standard ensures consistency and reliability in the performance of electronic apex locators, supporting better clinical outcomes and patient safety. Integrated types of electronic apex locators are excluded from this standard.

Key Topics

• Scope of Accuracy: This standard addresses only the measurement accuracy of electronic apex locators used to determine root canal apex positions. It does not include requirements relating to electrical safety or bio-compatibility, which are governed by other relevant standards.

• Terminology: Provides clear definitions for key components such as the electronic apex locator, probe cord, lip hook, file holder, and root canal test block, ensuring uniform understanding across the dental industry.

• Performance Requirements: Specifies that the measured apex location must be accurate within ±0.5 mm, according to stated test methods. This high level of precision is essential for successful endodontic (root canal) procedures.

• Testing Methodology:

  • Use of clear plastic root canal test blocks simulating clinical conditions.
  • Measurement protocols using standardized endodontic instruments and video-based measuring devices.
  • Use of specific test liquids to conduct accuracy tests.
  • Repeating the test with multiple samples from different batches to ensure reproducibility.

Applications

FprEN ISO 3630-8 is applicable to manufacturers, testers, and users of electronic apex locators in dentistry. Practical benefits include:

• Manufacturing and Quality Assurance: Dental device manufacturers use these requirements to design, produce, and validate electronic apex locators that meet international accuracy standards. This improves market acceptance and facilitates regulatory approval processes.

• Product Testing and Certification: Laboratories and regulatory bodies rely on these specifications to test, verify, and certify the performance of apex locators, ensuring reliability and consistency in root canal instrumentation.

• Clinical Practice: Dentists and endodontists benefit from standardized instruments, as accurate apex location is fundamental for root canal length determination, reducing procedural errors and enhancing patient safety.

• Procurement and Selection: Healthcare institutions use these standards as benchmarks when selecting equipment, ensuring that the devices purchased deliver the performance and accuracy required for effective patient care.

Related Standards

When implementing or testing according to FprEN ISO 3630-8, the following related standards are referenced and may also apply:

• ISO 3630-1: Dentistry - Endodontic instruments - Part 1: General requirements
• ISO 3630-5: Dentistry - Endodontic instruments - Part 5: Shaping and cleaning instruments
• ISO 1942: Dentistry - Vocabulary
• ISO 7405: Dentistry - Evaluation of biocompatibility of medical devices used in dentistry
• ISO 10993-1: Biological evaluation of medical devices - Part 1: Evaluation and testing within a risk management process
• IEC 60601-1 and ISO 80601-2-60: Electrical safety and general requirements for medical electrical equipment

Adhering to FprEN ISO 3630-8 ensures high standards in the accuracy of electronic apex locators, supporting reliable endodontic treatments and improved patient outcomes in modern dentistry.

Standards Content (Sample)

SLOVENSKI STANDARD
oSIST prEN ISO 3630-8:2025
01-junij-2025
Zobozdravstvo - Endodontski instrumenti - 8. del: Točnost elektronskega iskalnika
vrha (ISO/DIS 3630-8:2025)
Dentistry - Endodontic instruments - Part 8: Accuracy of electronic apex locator (ISO/DIS
3630-8:2025)
Zahnheilkunde - Endodontische Instrumente - Teil 8: Genauigkeit des elektronischen
Apex-Locators (ISO/DIS 3630-8:2025)
Médecine bucco-dentaire - Instruments d'endodontie - Partie 8: Précision du localisateur
électronique d'apex (ISO/DIS 3630-8:2025)
Ta slovenski standard je istoveten z: prEN ISO 3630-8
ICS:
11.060.25 Zobotehnični instrumenti Dental instruments
oSIST prEN ISO 3630-8:2025 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN ISO 3630-8:2025
oSIST prEN ISO 3630-8:2025
DRAFT
International
Standard
ISO/DIS 3630-8
ISO/TC 106/SC 4
Dentistry — Endodontic
Secretariat: DIN
instruments —
Voting begins on:
Part 8: 2025-04-18
Accuracy of electronic apex locator
Voting terminates on:
2025-07-11
ICS: 11.060.25
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS.
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Reference number
ISO/DIS 3630-8:2025(en)
oSIST prEN ISO 3630-8:2025
DRAFT
ISO/DIS 3630-8:2025(en)
International
Standard
ISO/DIS 3630-8
ISO/TC 106/SC 4
Dentistry — Endodontic
Secretariat: DIN
instruments —
Voting begins on:
Part 8:
Accuracy of electronic apex locator
Voting terminates on:
ICS: 11.060.25
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2025
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
BE CONSIDERED IN THE LIGHT OF THEIR
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
or ISO’s member body in the country of the requester.
NATIONAL REGULATIONS.
ISO copyright office
RECIPIENTS OF THIS DRAFT ARE INVITED
CP 401 • Ch. de Blandonnet 8
TO SUBMIT, WITH THEIR COMMENTS,
CH-1214 Vernier, Geneva
NOTIFICATION OF ANY RELEVANT PATENT
Phone: [phone]
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Email: [e-mail]
Website: www.iso.org
Published in Switzerland Reference number
ISO/DIS 3630-8:2025(en)
ii
oSIST prEN ISO 3630-8:2025
ISO/DIS 3630-8:2025(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Requirements . 2
5 Test methods . 2
5.1 Test conditions .2
5.2 Apparatus .2
5.3 Reagent .4
5.4 Procedures .4
6 Sampling . 5
Annex A (informative) Definition of Apex . 6
Bibliography . 7

iii
oSIST prEN ISO 3630-8:2025
ISO/DIS 3630-8:2025(en)
Foreword
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