# K040144: Quixx Posterior Restorative

- Pathway: 510(k) (Traditional)
- Applicant: Dentsply International
- Decided: Apr 1, 2004 after 70 days
- Product code: EBF (Material, Tooth Shade, Resin)
- Device class: 2
- Regulation: 21 CFR 872.3690
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K950991 (1995). 5 ancestors in all.
2 later devices descend from it; 2 cite it directly.
0 of 8 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K973235: Dyract AP Restorative, Dentsply Intl. (1998) Summary page 1.
- K973221: Composite 168 Restorative System, Dentsply Intl. (1998) Summary page 1.

## Most influential descendants
- K053391: X-Tra Fil (2006), 0 descendants of its own
- K050880: Dyract Extra Restorative (2005), 0 descendants of its own

## Indications for use
Indicated for posterior Class I and II cavities.

Source page: https://510kreport.com/device/K040144
Methodology: https://510kreport.com/methodology