# K232233: Invisalign System with Mandibular Advancement Featuring Occlusal Blocks

- Pathway: 510(k) (Traditional)
- Applicant: Align Technology, Inc.
- Decided: Sep 26, 2023 after 61 days
- Product code: NXC (Aligner, Sequential)
- Device class: 2
- Regulation: 21 CFR 872.5470
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 6 generations back to K780619 (1978). 6 ancestors in all.
3 later devices descend from it; 1 cites it directly.
0 of 10 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K220287: Invisalign System, Align Technology, Inc. (2022) Summary page 7.

## Most influential descendants
- K241412: Invisalign System (2024), 2 descendants of its own
- K252380: Invisalign System (2025), 1 descendant of its own
- K262196: Invisalign System (2026), 0 descendants of its own

## Indications for use
The Invisalign System is intended for the orthodontic treatment of malocclusion in patients with primary, mixed (primary and permanent), or permanent dentition. The optional mandibular advancement feature(s) are indicated for the treatment of skeletal malocclusion in patients with mixed or permanent dentition.

Source page: https://510kreport.com/device/K232233
Methodology: https://510kreport.com/methodology