British Standards Institution

Source:: ISO
Committee:: CH/106/2 - Prosthodontic materials
Categories:: Dental materials
Number of comments:: 0

Scope

This document specifies the requirements for acrylic hard type materials used as chairside denture lining materials and the test methods to determine compliance with these requirements. This document also specifies requirements for packaging and marking the products and for the instructions for use to be supplied by the manufacturer.

The use of hard type denture lining materials specified by this document is limited to acrylic dentures.

This document is not applicable to soft type denture lining materials.

NOTE 1 Acrylic hard type materials contain acrylic and methacrylic monomers such as acrylic acid esters and substituted (meth)acrylic acid esters and their polymers.

NOTE 2 Acrylic dentures are made of polymers such as poly (acrylic acid esters), poly (substituted acrylic acid esters) and rubber-modified poly (methacrylic acid esters).

NOTE 3 This material can be used for laboratory applications as well as chairside procedures.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

08/10/2025

3. Public Comments

Public Comments start date:

22/01/2026

Public Comments end date:

17/03/2026

Learn more about the standards development process

Standards Development

BS EN ISO 23401-1 Dentistry — Denture lining materials — Part 1: Hard type materials

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