# K231817: AlignerFlow LC

- Pathway: 510(k) (Traditional)
- Applicant: Voco GmbH
- Decided: Dec 1, 2023 after 163 days
- Product code: DYH (Adhesive, Bracket And Tooth Conditioner, Resin)
- Device class: 2
- Regulation: 21 CFR 872.3750
- 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
- K262228: Transcend Bulk Fill Flowable Composite (2026), 0 descendants of its own
- K251946: G aenial Universal Injectable II (2025), 0 descendants of its own

## Indications for use
- Retention of aligners e.g. by fabrication of aligner attachments - Bonding of lingual retainers - Occlusal build-ups

Source page: https://510kreport.com/device/K231817
Methodology: https://510kreport.com/methodology