ISO TS 13498-2011 PDF

Full title and description

ISO/TS 13498:2011 — Dentistry — Torsion test of implant body/connecting part joints of endosseous dental implant systems. This technical specification defines a laboratory method to determine torsional yield strength and maximum torque for the joints between an implant body and its connecting parts (for example abutments) used in endosseous dental implant systems.

Abstract

ISO/TS 13498:2011 establishes a torsion test protocol for implant body/connecting part joints to determine torsional yield strength and maximum torque. The procedure is intended primarily for evaluation of new joint designs and materials; it is not intended to predict in‑vivo clinical performance or to be derived from clinical failure observations.

General information

• Status: Published / Valid (Technical Specification).
• Publication date: 2011 (ISO official publication: 2011‑08; some catalogues list 21 July 2011).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 11.060.15 (Dentistry — Dental implants).
• Edition / version: Edition 1 (2011).
• Number of pages: 7 pages (technical specification length: 7 pages).

Facts above are based on the ISO technical specification entry and standard catalogue records.

Scope

This technical specification specifies a laboratory torsional loading method and test protocol to measure: (a) the torsional yield strength of the implant body/connecting part joint and (b) the maximum torque the joint withstands before failure or slippage. It is applicable to endosseous dental implant systems for the comparative evaluation of joint geometries, connection designs and materials. The document explicitly states that the test is not a predictor of in‑vivo clinical performance.

Key topics and requirements

• Definition of test specimens (implant body with connecting part or representative assembly) and any recommended preparation or fixture method.
• Test apparatus and calibration requirements for torsional loading (equipment capable of controlled application and measurement of torque and angular displacement).
• Loading protocol: application rate, direction, pre‑load conditions and environmental considerations for reproducibility.
• Measured outputs: torsional yield strength (onset of plastic deformation) and maximum torque (peak torque prior to failure/slippage), plus angular displacement reporting.
• Data reporting and test record requirements to enable comparison between designs and materials.
• Limitations and intended use: comparative laboratory evaluation only — not for direct clinical performance prediction.

Typical use and users

Primary users include dental implant manufacturers (R&D and quality teams), independent mechanical testing laboratories, regulatory reviewers assessing device mechanical characterization, and standards committees. Typical uses are design verification, comparative evaluation of connection concepts and materials screening prior to further mechanical or clinical testing.

Related standards

Standards commonly used alongside or in the same domain include ISO 22683 (Rotational adaptability test between implant body and implant abutment — relevant for anti‑rotational fit evaluation) and ISO 14801 (Fatigue / dynamic loading test for endosseous dental implants). These standards address complementary mechanical aspects of implant systems (rotational fit and dynamic fatigue, respectively).

Keywords

Dental implant, endosseous implant, torsion test, torsional yield strength, maximum torque, implant–abutment joint, mechanical testing, implant connection, ISO/TS 13498:2011.

FAQ

Q: What is this standard?

A: ISO/TS 13498:2011 is a Technical Specification from ISO that specifies a laboratory torsion test method for the joints between implant bodies and connecting parts of endosseous dental implant systems.

Q: What does it cover?

A: It covers specimen preparation guidance, torsional loading procedure, measurement of torsional yield strength and maximum torque, and reporting requirements for comparative mechanical evaluation. It does not provide clinical performance predictions.

Q: Who typically uses it?

A: Dental implant manufacturers (design/R&D and QA), independent test laboratories, regulatory and conformity assessment bodies, and standards developers use this specification for mechanical characterization of implant connections.

Q: Is it current or superseded?

A: ISO/TS 13498:2011 is published and listed as a valid Technical Specification. Users should confirm the current status through the ISO catalogue or their national standards body before relying on it for compliance, as standards can be reviewed or revised.

Q: Is it part of a series?

A: It is part of the dentistry/implant test standards developed under ISO/TC 106/SC 8 and is commonly used in conjunction with other implant mechanical test standards such as ISO 14801 (fatigue testing) and ISO 22683 (rotational adaptability).

Q: What are the key keywords?

A: Key keywords include torsion test, implant body, connecting part, implant–abutment joint, torsional yield strength, maximum torque, dental implants, endosseous.