# ISO 7491:1985 — Withdrawn and superseded ISO standards For ISO 7491:1985, item title is Dental materials — Determination of colour stability of dental polymeric materials; status code is 9599; successor is ISO 7491:2000; withdrawn / published date is 1985-08-15, recorded from its source on 2026-08-05. - **Identifier:** ISO 7491:1985 _(verified: appears in the quote below)_ - **Item title:** Dental materials — Determination of colour stability of dental polymeric materials _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 7491:2000 - **Withdrawn / published date:** 1985-08-15 _(verified: appears in the quote below)_ ## What the source says > 14242,IS,,ISO 7491:1985,Dental materials — Determination of colour stability of dental polymeric materials,Produits dentaires — Détermination de la stabilité de couleur des produits dentaires à base de polymères,1985-08-15,1,['11.060.10'],ISO/TC 106/SC 2,9599,,[26857],"['en','fr']",2, ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).