# K980965: Spectra Form Chromatic Alginate Impression Material

- Pathway: 510(k) (Traditional)
- Applicant: Cavex Holland BV
- Decided: May 1, 1998 after 46 days
- Product code: ELW (Material, Impression)
- Device class: 2
- Regulation: 21 CFR 872.3660
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
No later device cites it as a predicate yet.
0 of 1 device in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Indications for use
SPECTRA FORM™ Chromatic Alginate Impression Material is a dental impression material based on alginate. It is used for taking impressions of the oral cavity with the purpose of constructing a gypsum cast that is a copy of the situation in the mouth. It is a general purpose impression material for making study models, first impressions for the construction of individual trays, situation models, orthodontic impressions etc. SPECTRA FORM™ Chromatic Alginate Impression Material is a color-changing alginate: it becomes violet upon contact with water in the mixing bowl, changes to pink indicating the end of the mixing time and then finally changes to off-white indicating the end of the setting time in the mouth.

Source page: https://510kreport.com/device/K980965
Methodology: https://510kreport.com/methodology