510(k) Report

510(k) · Cleared

Cleared

Fluoride Varnish (Type A,Type C)

K253052510(k) TraditionalCleared Jun 11, 2026262-day reviewClass II21 CFR 872.3260

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

Nagy Oral Technology Qinhuangdao Co., Ltd. · LBH Varnish, Cavity

Cleared on Jun 11, 2026 as substantially equivalent to K132109 (Ultradent Products Inc. / Oratech, LLC, 2013) after a 262-day review. Its family tree reaches back 3 generations to 2005.

Decided
Jun 11, 2026
Review
262 days
Class
Class II
Product code
LBH
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K051750 (2005). No later device cites it as a predicate yet.

  1. Root · 3 generations backK051750 Flor-Opal Varnish, Models UP 4500/ UP 4501/ UP 4502Ultradent Products, Inc. · 2005
  2. 2 generations backK080249 Flor-Opal Varnish White; Models 4503, 4504, 4506, S4505Ultradent Products, Inc. · 2008
  3. 1 generation backK132109 EnamelastUltradent Products Inc. / Oratech, LLC · 2013 · Recalled
  4. This deviceK253052 Fluoride Varnish (Type A,Type C)Nagy Oral Technology Qinhuangdao Co., Ltd. · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K051750Flor-Opal Varnish, Models UP 4500/ UP 4501/ UP 4502Ultradent Products, Inc.2005—
−2K080249Flor-Opal Varnish White; Models 4503, 4504, 4506, S4505Ultradent Products, Inc.2008—
−1K132109EnamelastUltradent Products Inc. / Oratech, LLC20132
0 (this device)K253052Fluoride Varnish (Type A,Type C)Nagy Oral Technology Qinhuangdao Co., Ltd.2026—
FIG. 1 — Lineage of K253052, 2005–2026Source: 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 LBH? 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 LBH device

  1. #1 K262243 Profisil Freescore 12.9 · 4 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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
*K132109Enamelast
Summary page 5
…: 21 CFR 872.3260 Classification: Class II Panel: Dental 3.0 Identification of Predicate Device and Reference Device Predicate# 510(k) Number: K132109 Trade/Product Name: ENAMELAST Manufacturer: ULTRADENT PRODUCTS INC. / ORATECH LLC…
Ultradent Products Inc. / Oratech, LLC20132
†K222891Dental DesensitizerGuangzhou Beogene Biotech Co., Ltd.2023—

Also cleared against K132109: 3 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 21 years and passes through 3 companies; a new generation was cleared every 5.7 years on median.
  • 1 of the 3 ancestors has a recall of any class.
  • 3 other devices also cite its predicate K132109.

How does its category compare?

All LBH devices

LBH Varnish, Cavity: FDA decisions, review times, recalls and adverse event reports over 20 years. 2026, this device’s year, is highlighted.

FDA decisions per year · LBH

4in 2025

2007: 82008: 62009: 42010: 72011: 32012: 42013: 62014: 62015: 22016: 22019: 22020: 52022: 12023: 32024: 32025: 42026 (partial year): 5
2007high 8 (2007) · low 0 (2017)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LBH

223in 2025

2007: 69 days median2008: 79 days median2009: 69 days median2010: 107 days median2011: 72 days median2012: 83 days median2013: 160 days median2014: 204 days median2020: 256 days median2023: 167 days median2024: 237 days median2025: 223 days median2026 (partial year): 64 days median
2007high 256 (2020) · low 69 (2007)2026

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

Recalls per year · LBH

1in 2019

2014: 32018: 22019: 1
2007high 3 (2014) · low 0 (2007)2026

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

Adverse event reports per year · LBH

7in 2025

2007: 42008: 32009: 52010: 72011: 82012: 72013: 272014: 402015: 142016: 122017: 112018: 132019: 92020: 102021: 152022: 72023: 82024: 62025: 7
2007high 40 (2014) · low 3 (2008)2025

MAUDE reports naming product code LBH, 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
200786904
200867903
200946905
2010710707
201137208
201248307
20136160027
20146204340
20152—014
20162—012
20170—011
20180—213
20192—19
20205256010
20210—015
20221—07
2023316708
2024323706
2025422307
20265640—

What is it indicated for?

The Fluoride Varnish is indicated to relieve dental hypersensitivity.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K253052: Fluoride Varnish (Type A,Type C).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K253052

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Record history
  • FDA decision record loaded Oct 30, 2026
  • Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026