510(k) Report

510(k) · Cleared

Cleared

Symetri Clear

K172845510(k) TraditionalCleared Jan 31, 2018134-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

Ormco Corporation · NJM Bracket, Ceramic, Orthodontic

Cleared on Jan 31, 2018 as substantially equivalent to K102803 (3M Unitek Corporation, 2011) and 1 other predicate after a 134-day review. Its family tree reaches back 4 generations to 1985.

Decided
Jan 31, 2018
Review
134 days
Class
Class II
Product code
NJM
Recalls
None
Predicates
2

Its longest line of descent runs back 4 generations to K852179 (1985). 8 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 2008: 1 other ancestor2006: 1 other ancestor1995: 1 other ancestor1994: 1 other ancestorK852179 · Ceramic Orthodonit Appliance · Gac Intl., Inc. · 1985K042178 · Orthodontic Ceramic Brackets · Dentsply Intl. · 2004K082974 · Mystique MB Ceramic Brackets · Dentsply Interntional · 2008K102803 · Clarity Advanced Ceramic Brackets · 3M Unitek Corporation · 201119851990199520002005201020152020
  1. Root · 4 generations backK852179 Ceramic Orthodonit ApplianceGac Intl., Inc. · 1985
  2. 3 generations backK042178 Orthodontic Ceramic BracketsDentsply Intl. · 2004
  3. 2 generations backK082974 Mystique MB Ceramic BracketsDentsply Interntional · 2008
  4. 1 generation backK102803 Clarity Advanced Ceramic Brackets3M Unitek Corporation · 2011
  5. This deviceK172845 Symetri ClearOrmco Corporation · 2018
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K852179Ceramic Orthodonit ApplianceGac Intl., Inc.1985—
−3K042178Orthodontic Ceramic BracketsDentsply Intl.2004—
−2K082974Mystique MB Ceramic BracketsDentsply Interntional2008—
−1K102803Clarity Advanced Ceramic Brackets3M Unitek Corporation2011—
0 (this device)K172845Symetri ClearOrmco Corporation2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
199510
200610
200810
FIG. 1 — Lineage of K172845, 1985–2018Source: 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 NJM? 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 NJM device

  1. #1 K222764 LightForce Orthodontic Systemscore 8.5 · 6 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? (2)

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
*K102803Clarity Advanced Ceramic Brackets
Summary page 4
…edical Device, Class II 6. Predicate Device Symetri Clear™ is substantially equivalent to 3M Unitek Corporation’s Clarity™ ADVANCED Ceramic Brackets (K102803) cleared on February 17, 2011, product code NJM. 7. Reference Predicate Device Damon™ 4Clear, K081415 === Pa…
3M Unitek Corporation2011—
*K081415Damon 4CLEAR
Summary page 4
…on’s Clarity™ ADVANCED Ceramic Brackets (K102803) cleared on February 17, 2011, product code NJM. 7. Reference Predicate Device Damon™ 4Clear, K081415 8. Device Description Symetri Clear, is a single-use orthodontic bracket made from polycrystalline alum…
Ormco Corp.2008—

Also cleared against K102803: 6 other devices →

What descends from it?

No later submission names this one as a predicate yet.

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 33 years and passes through 5 companies; a new generation was cleared every 7.0 years on median.
  • None of the 8 ancestors has a recall.
  • 6 other devices also cite its predicate K102803.

How does its category compare?

All NJM devices

NJM Bracket, Ceramic, Orthodontic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · NJM

5in 2023

2007: 12008: 42009: 42010: 12011: 42012: 62013: 32014: 12015: 32016: 32017: 32018: 42019: 62020: 22021: 12022: 22023: 5
2007high 6 (2012) · low 0 (2024)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NJM

1in 2023

2008: 134 days median2009: 61 days median2011: 122 days median2012: 90 days median2013: 123 days median2015: 234 days median2016: 176 days median2017: 183 days median2018: 76 days median2019: 200 days median2023: 1 days median
2007high 234 (2015) · low 1 (2023)2026

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

Recalls per year · NJM

1in 2013

2013: 1
2007high 1 (2013) · low 0 (2007)2026

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

Adverse event reports per year · NJM

1in 2025

2009: 12010: 22011: 12012: 12013: 62016: 22017: 22018: 22020: 12023: 12024: 22025: 1
2007high 6 (2013) · low 0 (2007)2025

MAUDE reports naming product code NJM, 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—00
2008413400
200946101
20101—02
2011412201
201269001
2013312316
20141—00
2015323400
2016317602
2017318302
201847602
2019620000
20202—01
20211—00
20222—00
20235101
20240—02
20250—01
20260—0—

What is it indicated for?

This device is intended for the orthodontic movement of teeth. It is used temporarily and is removed after Orthodontic treatment has been completed.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K172845: Symetri Clear.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K172845

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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