510(k) Report

510(k) · Cleared

Cleared

Smylic Invisible Clear Aligners

K173784510(k) TraditionalCleared Aug 23, 2018253-day reviewClass II21 CFR 872.5470

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Smylio, Inc. · NXC Aligner, Sequential

Cleared on Aug 23, 2018 after a 253-day review. The FDA summary names no predicate by number. 16 later devices descend from it.

Decided
Aug 23, 2018
Review
253 days
Class
Class II
Product code
NXC
Recalls
None
Predicates
0

16 later devices descend from it, 5 citing it directly.

Descendants, by year cleared 2021: 3 descendants cleared2020: 2 descendants cleared2019: 1 descendant cleared2022: 5 descendants cleared2024: 2 descendants cleared2023: 1 descendant cleared2026: 2 descendants cleared201620182020202220242026
  1. This deviceK173784 Smylic Invisible Clear AlignersSmylio, Inc. · 2018
  2. Descendant · cites it directly · 7 of its ownK212660 Smylio Invisible Clear AlignersSmylio, Inc. · 2021
  3. Descendant · 2 generations on · 2 of its ownK211510 uLab Systems Dental Aligner KitUlab Systems, Inc. · 2022
  4. Descendant · cites it directly · 2 of its ownK192767 Clear AlignerRoyal Dental Lab · 2020
  5. Descendant · 2 generations on · 1 of its ownK233356 Illusion Aligner Pro: Illusion Aligner FLXLaxmi Dental Export Pvt., Ltd. · 2024
  6. Descendant · 3 generations on · 1 of its ownK223141 STR8 Clear AlignerStr8 Oral Care · 2023

Showing 5 of 16 descendants. See all descendants

Descendants cleared per year

2019: 12020: 22021: 32022: 52023: 12024: 22026: 2
2019high 5 (2022) · low 0 (2025)2026

Most influential descendants

Showing 5 of 16 · See all
  • K212660Smylio Invisible Clear AlignersSmylio, Inc. · 2021 · cites it directly7descendants
  • K211510uLab Systems Dental Aligner KitUlab Systems, Inc. · 2022 · 2 generations on2descendants
  • K192767Clear AlignerRoyal Dental Lab · 2020 · cites it directly2descendants
  • K233356Illusion Aligner Pro: Illusion Aligner FLXLaxmi Dental Export Pvt., Ltd. · 2024 · 2 generations on1descendant
  • K223141STR8 Clear AlignerStr8 Oral Care · 2023 · 3 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K173784Smylic Invisible Clear AlignersSmylio, Inc.2018—
+1K212660Smylio Invisible Clear AlignersSmylio, Inc.2021—
+2K211510uLab Systems Dental Aligner KitUlab Systems, Inc.2022—
+1K192767Clear AlignerRoyal Dental Lab2020—
+2K233356Illusion Aligner Pro: Illusion Aligner FLXLaxmi Dental Export Pvt., Ltd.2024—
+3K223141STR8 Clear AlignerStr8 Oral Care2023—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201910
202020
202130
202250
202310
202420
202620
FIG. 1 — Lineage of K173784, 2018–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in NXC? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new NXC device

  1. #1 K220287 Invisalign Systemscore 20.3 · 5 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against?

The FDA summary names no predicate by number.

What descends from it? (16)

See all 16

5 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K212660Smylio Invisible Clear AlignersSmylio, Inc.20217
K192767Clear AlignerRoyal Dental Lab20202
K211010Illusion AlignersLaxmi Dental Exports Pvt, Ltd.20211
K201450Straight T Clear Dental AlignerStraight T, Inc.20201
K190003Vivid AlignersOrthodent Laboratory, Inc.20190

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K212660 (Smylio, Inc., 2021) has gone furthest, with 7 descendants of its own.

How does its category compare?

All NXC devices

NXC Aligner, Sequential: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · NXC

11in 2025

2007: 12008: 22009: 22010: 12012: 22013: 42015: 22016: 12017: 32018: 112019: 162020: 162021: 202022: 192023: 132024: 142025: 112026 (partial year): 5
2007high 20 (2021) · low 0 (2011)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NXC

61in 2025

2013: 124 days median2017: 85 days median2018: 116 days median2019: 182 days median2020: 230 days median2021: 97 days median2022: 137 days median2023: 152 days median2024: 105 days median2025: 61 days median2026 (partial year): 127 days median
2007high 230 (2020) · low 61 (2025)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · NXC

2in 2024

2024: 2
2007high 2 (2024) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · NXC

4,523in 2025

2007: 12008: 52009: 22010: 112011: 592012: 242013: 282014: 272015: 432016: 412017: 472018: 672019: 1272020: 1752021: 9292022: 6052023: 4332024: 8,9912025: 4,523
2007high 8,991 (2024) · low 1 (2007)2025

MAUDE reports naming product code NXC, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20071—01
20082—05
20092—02
20101—011
20110—059
20122—024
20134124028
20140—027
20152—043
20161—041
2017385047
201811116067
2019161820127
2020162300175
202120970929
2022191370605
2023131520433
20241410528,991
2025116104,523
202651270—
Cite this page

510(k) Report. “K173784: Smylic Invisible Clear Aligners.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173784

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026