510(k) · Cleared
ClearedModification of PQ1
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Ultradent Products, Inc. · KLE Agent, Tooth Bonding, Resin
Cleared on Nov 30, 1998 after a 42-day review. FDA’s file for it is a 510(k) statement, which names no predicate.
- Decided
- Nov 30, 1998
- Review
- 42 days
- Class
- Class II
- Product code
- KLE
- Recalls
- None
- Predicates
- 0
FDA’s file for it is a 510(k) statement, which names no predicate.
Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (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 K262252 MPa Max adhesivescore 15.1 · 11 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
FDA’s file for it is a 510(k) statement, which names no predicate.
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.
How does its category compare?
All KLE devicesKLE Agent, Tooth Bonding, Resin: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · KLE
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KLE
149in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KLE
1in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KLE
3in 2025
MAUDE reports naming product code KLE, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 14 | 71 | 2 | 18 |
| 2008 | 3 | 66 | 0 | 9 |
| 2009 | 7 | 79 | 1 | 11 |
| 2010 | 8 | 93 | 1 | 13 |
| 2011 | 10 | 100 | 0 | 69 |
| 2012 | 5 | 66 | 0 | 176 |
| 2013 | 11 | 115 | 0 | 248 |
| 2014 | 6 | 120 | 0 | 260 |
| 2015 | 10 | 118 | 0 | 100 |
| 2016 | 3 | 148 | 1 | 47 |
| 2017 | 4 | 171 | 1 | 42 |
| 2018 | 8 | 124 | 0 | 31 |
| 2019 | 6 | 143 | 0 | 20 |
| 2020 | 6 | 195 | 0 | 6 |
| 2021 | 4 | 163 | 0 | 6 |
| 2022 | 8 | 98 | 0 | 7 |
| 2023 | 6 | 75 | 0 | 7 |
| 2024 | 7 | 61 | 1 | 12 |
| 2025 | 3 | 149 | 0 | 3 |
| 2026 | 7 | 84 | 0 | — |
What is it indicated for?
Use for almost all bonding needs in restorative dentistry. Ease of use and unsurpassed bond strength in a single syringe primer/bonding resin makes PQ1 the agent of choice for most light cure bonding needs. Also use PQ1 with chemical cure luting and chemical cure composite (e.g. Permalute). PQ1 is conducive for bonding to:
1. Dentin and Enamel (using composite or amalgam
2. Porcelain
3. Metal
4. Composite repair
Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K983668 · printed Nov 6, 2026
Cite this page
510(k) Report. “K983668: Modification of PQ1.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K983668
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Page last updated Nov 3, 2026