510(k) Report

510(k) · Cleared

Cleared

3M™ Clarity™ Aligners (3M™ Clarity™ Aligners-Force, 3M™ Clarity™ Aligners-Flex)

K231464510(k) TraditionalCleared May 22, 20233-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

3M Company, Unitek Orthodontic Products · NXC Aligner, Sequential

Cleared on May 22, 2023 as substantially equivalent to K211190 (3M Company, Unitek Orthodontic Products, 2021) after a 3-day review. Its family tree reaches back 9 generations to 1978. 1 later device descends from it.

Decided
May 22, 2023
Review
3 days
Class
Class II
Product code
NXC
Recalls
None
Predicates
1

Its longest line of descent runs back 9 generations to K780619 (1978). 12 ancestors in all. 1 later device descends from it, 1 citing it directly.

  1. Root · 9 generations backK780619 Preformed Tooth PositionerTp Laboratories, Inc. · 1978
  2. 5 generations between
  3. 3 generations backK183159 3M Clarity Aligners3M Company · 2018
  4. 2 generations backK192119 3M Clarity Aligners3M Company · 2019
  5. 1 generation backK211190 3M Clarity Aligners (3M Clarity Aligners-Force, 3M Clarity…3M Company, Unitek Orthodontic Products · 2021
  6. This deviceK231464 3M™ Clarity™ Aligners (3M™ Clarity™ Aligners-Force, 3M™ Clarity™…3M Company, Unitek Orthodontic Products · 2023
  7. Descendant · cites it directly · 0 of its ownK233257 3M™ Clarity™Aligners with Quick Attachments3M Company, Unitek Orthodontic Products · 2023 · Recalled
Show all 9 generations
  1. Root · 9 generations backK780619 Preformed Tooth PositionerTp Laboratories, Inc. · 1978
  2. 8 generations backK981095 Align SystemAlign Technology · 1998
  3. 7 generations backK071970 Clear Image AlignerSpecialty Appliance Works, Inc. · 2007
  4. 6 generations backK082556 ClearcorrectClearcorrect, Inc. · 2009
  5. 5 generations backK113618 Clearcorrect SystemClearcorrect, Inc. · 2012
  6. 4 generations backK163689 3M Clear Tray Aligner3M Unitek Corporation · 2017
  7. 3 generations backK183159 3M Clarity Aligners3M Company · 2018
  8. 2 generations backK192119 3M Clarity Aligners3M Company · 2019
  9. 1 generation backK211190 3M Clarity Aligners (3M Clarity Aligners-Force, 3M Clarity…3M Company, Unitek Orthodontic Products · 2021
  10. This deviceK231464 3M™ Clarity™ Aligners (3M™ Clarity™ Aligners-Force, 3M™ Clarity™…3M Company, Unitek Orthodontic Products · 2023

Most influential descendants

Showing 1 of 1 · See all
  • K2332573M™ Clarity™Aligners with Quick Attachments3M Company, Unitek Orthodontic Products · 2023 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−9K780619Preformed Tooth PositionerTp Laboratories, Inc.1978—
−8K981095Align SystemAlign Technology1998—
−7K071970Clear Image AlignerSpecialty Appliance Works, Inc.2007—
−6K082556ClearcorrectClearcorrect, Inc.2009—
−5K113618Clearcorrect SystemClearcorrect, Inc.2012—
−4K1636893M Clear Tray Aligner3M Unitek Corporation2017—
−3K1831593M Clarity Aligners3M Company2018—
−2K1921193M Clarity Aligners3M Company2019—
−1K2111903M Clarity Aligners (3M Clarity Aligners-Force, 3M Clarity Aligners-Flex)3M Company, Unitek Orthodontic Products2021—
0 (this device)K2314643M™ Clarity™ Aligners (3M™ Clarity™ Aligners-Force, 3M™ Clarity™ Aligners-Flex)3M Company, Unitek Orthodontic Products2023—
+1K2332573M™ Clarity™Aligners with Quick Attachments3M Company, Unitek Orthodontic Products20231

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200410
200810
201010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
FIG. 1 — Lineage of K231464, 1978–2023Source: 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? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K2111903M Clarity Aligners (3M Clarity Aligners-Force, 3M Clarity Aligners-Flex)
Summary page 6
…2510 Conway Avenue St. Paul, MN 55144 510(k) Number K211190 Device Class 2 Description of Device: 3M™ Clarity™ Aligners (3M™ Clarity™ Aligners-Forc…
3M Company, Unitek Orthodontic Products2021—

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K2332573M™ Clarity™Aligners with Quick Attachments3M Company, Unitek Orthodontic Products20230

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?

  • The line of descent spans 45 years and passes through 7 companies; a new generation was cleared every 2.1 years on median.
  • None of the 12 ancestors has a recall.
  • Of its descendants, K233257 (3M Company, Unitek Orthodontic Products, 2023) has gone furthest, with 0 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. 2023, 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—

What is it indicated for?

3M Clarity™ Aligners are indicated for the alignment of teeth during orthodontic treatment of malocclusion.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K231464: 3M™ Clarity™ Aligners (3M™ Clarity™ Aligners-Force, 3M™ Clarity™ Aligners-Flex).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K231464

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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