# K242740: Dental Lithium Disilicate Glass Ceramic ( HT, ML-HT, LT, ML-LT, MT, MO, HO)

- Pathway: 510(k) (Traditional)
- Applicant: Liaoning Rachcera Material Technology Co., Ltd.
- Decided: Dec 5, 2024 after 85 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)
- K230487: Dental Lithium Disilicate Glass-Ceramic, Fuzhou Rick Brown Biomaterials Co., Ltd. (2023) Summary page 5.

## Indications for use
Dental Lithium Disilicate Glass Ceramic is available using CAD/CAM and hot pressing techniques for the preparation of full ceramic crowns, inlays, onlays, veneer and full ceramic 3-unit anterior bridges.

Source page: https://510kreport.com/device/K242740
Methodology: https://510kreport.com/methodology