# K024034: Occlufast Rock

- Pathway: 510(k) (Special)
- Applicant: Zhermack S.P.A.
- Decided: Dec 18, 2002 after 12 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.
2 later devices descend from it; 2 cite it directly.
0 of 3 devices 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.

## Most influential descendants
- K201684: A-Silicone for Bite Registration (2020), 0 descendants of its own
- K181604: Sildent Fast Light Body, Sildent Fast Heavy Body, Sildent Bite (2018), 0 descendants of its own

## Indications for use
Zher nack OCCLUFAST ROCK a dental impression material intended to be placed on a preformed impression tray and used to reproduce the structurc of a patient's teeth and gums.

Source page: https://510kreport.com/device/K024034
Methodology: https://510kreport.com/methodology
