# K173784: Smylic Invisible Clear Aligners

- Pathway: 510(k) (Traditional)
- Applicant: Smylio, Inc.
- Decided: Aug 23, 2018 after 253 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
No predicates in its family tree.
16 later devices descend from it; 5 cite it directly.
0 of 17 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names no predicate by number.

## Most influential descendants
- K212660: Smylio Invisible Clear Aligners (2021), 7 descendants of its own
- K211510: uLab Systems Dental Aligner Kit (2022), 2 descendants of its own
- K192767: Clear Aligner (2020), 2 descendants of its own
- K233356: Illusion Aligner Pro: Illusion Aligner FLX (2024), 1 descendant of its own
- K223141: STR8 Clear Aligner (2023), 1 descendant of its own

Source page: https://510kreport.com/device/K173784
Methodology: https://510kreport.com/methodology