# K020190: Portadur P 4

- Pathway: 510(k) (Traditional)
- Applicant: Wieland Dental + Technik GmbH & Co. KG
- Decided: Mar 13, 2002 after 50 days
- Product code: EJT (Alloy, Gold-Based Noble Metal)
- Device class: 2
- Regulation: 21 CFR 872.3060
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K950517 (1995). 1 ancestor in all.
No later device cites it as a predicate yet.
0 of 2 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K950517: Harmony Line PF, Ivoclar North America, Inc. (1995) Summary page 1.

## Indications for use
Portadur P 4 is a gold casting alloy that can be used by dental technicians to fabricate dental appliances for patients. It is intended for manufacturing Inlays/ Onlays Crowns Short span bridges Long span bridges Removable partials and can be used for Telescopic and milling work

Source page: https://510kreport.com/device/K020190
Methodology: https://510kreport.com/methodology