# K170420: n!ce Glass Ceramic Blocks for Amann Girrbach

- Pathway: 510(k) (Special)
- Applicant: Institut Straumann AG
- Decided: Mar 2, 2017 after 17 days
- Product code: EIH (Powder, Porcelain)
- Device class: 2
- Regulation: 21 CFR 872.6660
- 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 K051705 (2005). 2 ancestors in all.
No later device cites it as a predicate yet.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K160262: n!ce LT Glass Ceramic Blocks, n!ce HT Glass Ceramic Blocks,, Institut Straumann AG (2016) Summary page 4.

## Indications for use
Once finalized into a suitable design, the n!ce™ glass-ceramic blocks are indicated for use as inlays, onlays, veneers, partial crowns and crowns.

Source page: https://510kreport.com/device/K170420
Methodology: https://510kreport.com/methodology