510(k) Report

510(k) · Cleared

Cleared

Modification to Alloy Primer

K012436510(k) TraditionalCleared Sep 4, 200135-day reviewClass II21 CFR 872.3200

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

Kuraray Medical, Inc. · KLE Agent, Tooth Bonding, Resin

Cleared on Sep 4, 2001 as substantially equivalent to K974089 (Kuraray America, Inc., 1997) after a 35-day review. Its family tree reaches back 2 generations to 1987. 2 later devices descend from it.

Decided
Sep 4, 2001
Review
35 days
Class
Class II
Product code
KLE
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K871636 (1987). 4 ancestors in all. 2 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1997: 1 other ancestor1994: 1 other ancestor2017: 1 descendant cleared2021: 1 descendant clearedK871636 · Clearfil Porcelain Bond · Kuraray Co. · 1987K974089 · Alloy Primer · Kuraray America, Inc. · 19971990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 2 other ancestors 1 generation forward: 1 descendant2 generations forward: 1 descendant K974089 · Alloy Primer · Kuraray America, Inc. · 1997K871636 · Clearfil Porcelain Bond · Kuraray Co. · 19870
  1. Root · 2 generations backK871636 Clearfil Porcelain BondKuraray Co. · 1987
  2. 1 generation backK974089 Alloy PrimerKuraray America, Inc. · 1997
  3. This deviceK012436 Modification to Alloy PrimerKuraray Medical, Inc. · 2001
  4. Descendant · cites it directly · 1 of its ownK171226 Tokuyama Universal BondTokuyama Dental Corporation · 2017
  5. Descendant · 2 generations on · 0 of its ownK203760 Tokuyama Universal Bond IITokuyama Dental Corporation · 2021

Most influential descendants

Showing 2 of 2 · See all
  • K171226Tokuyama Universal BondTokuyama Dental Corporation · 2017 · cites it directly1descendant
  • K203760Tokuyama Universal Bond IITokuyama Dental Corporation · 2021 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K871636Clearfil Porcelain BondKuraray Co.1987—
−1K974089Alloy PrimerKuraray America, Inc.1997—
0 (this device)K012436Modification to Alloy PrimerKuraray Medical, Inc.2001—
+1K171226Tokuyama Universal BondTokuyama Dental Corporation2017—
+2K203760Tokuyama Universal Bond IITokuyama Dental Corporation2021—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
199710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201710
202110
FIG. 1 — Lineage of K012436, 1987–2021Source: 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 KLE? 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 KLE device

  1. #1 K262252 MPa Max adhesivescore 15.1 · 11 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
*K974089Alloy Primer
Summary page 1
…) submission is to alter the name and address of manufacturer, and not to intend other changes. The predicate device is as follow. 1. ALLOY PRIMER by Kuraray Co., Ltd. (K974089) 4. Description for the premarket notification ALLOY PRIMER is an adhesion primer between dental metal alloy and resin-based mat…
Kuraray America, Inc.1997—

Also cleared against K974089: 2 other devices →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K171226Tokuyama Universal BondTokuyama Dental Corporation20171

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 14 years and passes through 3 companies; a new generation was cleared every 10.5 years on median.
  • None of the 4 ancestors has a recall.
  • Of its descendants, K171226 (Tokuyama Dental Corporation, 2017) has gone furthest, with 1 descendant of its own.
  • 2 other devices also cite its predicate K974089.

How does its category compare?

All KLE devices

KLE Agent, Tooth Bonding, Resin: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KLE

3in 2025

2007: 142008: 32009: 72010: 82011: 102012: 52013: 112014: 62015: 102016: 32017: 42018: 82019: 62020: 62021: 42022: 82023: 62024: 72025: 32026 (partial year): 7
2007high 14 (2007) · low 3 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KLE

149in 2025

2007: 71 days median2008: 66 days median2009: 79 days median2010: 93 days median2011: 100 days median2012: 66 days median2013: 115 days median2014: 120 days median2015: 118 days median2016: 148 days median2017: 171 days median2018: 124 days median2019: 143 days median2020: 195 days median2021: 163 days median2022: 98 days median2023: 75 days median2024: 61 days median2025: 149 days median2026 (partial year): 84 days median
2007high 195 (2020) · low 61 (2024)2026

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

Recalls per year · KLE

1in 2024

2007: 22009: 12010: 12016: 12017: 12024: 1
2007high 2 (2007) · low 0 (2008)2026

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

Adverse event reports per year · KLE

3in 2025

2007: 182008: 92009: 112010: 132011: 692012: 1762013: 2482014: 2602015: 1002016: 472017: 422018: 312019: 202020: 62021: 62022: 72023: 72024: 122025: 3
2007high 260 (2014) · low 3 (2025)2025

MAUDE reports naming product code KLE, 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
20071471218
200836609
2009779111
2010893113
201110100069
20125660176
2013111150248
201461200260
2015101180100
20163148147
20174171142
20188124031
20196143020
2020619506
2021416306
202289807
202367507
2024761112
2025314903
20267840—

What is it indicated for?

ALLOY PRIMER is indicated for the following applications:

1) Adhesion of metal posts, metal inlays, onlays, crown and bridges

2) Repair of fractures resin-based facing crowns and porcelain-fused metal crowns

3) Fabrication of removable dentures with metal base, clasp or attachment. Repair of dentures

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. “K012436: Modification to Alloy Primer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K012436

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