510(k) · Cleared
ClearedPark Dental Nylon MAD
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Park Dental Research Corp. · LRK Device, Anti-Snoring
Cleared on Dec 18, 2025 as substantially equivalent to K171576 (Panthera Dental, Inc., 2018) after a 92-day review. Its family tree reaches back 7 generations to 1989.
- Decided
- Dec 18, 2025
- Review
- 92 days
- Class
- Class II
- Product code
- LRK
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 7 generations to K882303 (1989). 11 ancestors in all, the oldest K880956 (1988). No later device cites it as a predicate yet.
- Root · 7 generations backK882303 H&M Anti-Snoring DeviceHays & Meade, Inc. · 1989
- 6 generations backK962516 Tap Anti-Snoring DeviceNellcor Puritan Bennett, Inc. · 1996
- 5 generations backK042161 Anti-Snoring/Sleep Apnea DeviceRj & VK Bird Pty, Ltd. · 2004
- 4 generations backK050592 Somnomed Mas RxaSomnomed, Ltd. · 2005
- 3 generations backK113201 Narval CCResmed Sas · 2011
- 2 generations backK143244 The Panthera Anti-Snoring DevicePanthera Dental, Inc. · 2014
- 1 generation backK171576 The Panthera Anti-Snoring X3 DevicePanthera Dental, Inc. · 2018
- This deviceK252976 Park Dental Nylon MADPark Dental Research Corp. · 2025
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −7 | K882303 | H&M Anti-Snoring Device | Hays & Meade, Inc. | 1989 | — |
| −6 | K962516 | Tap Anti-Snoring Device | Nellcor Puritan Bennett, Inc. | 1996 | — |
| −5 | K042161 | Anti-Snoring/Sleep Apnea Device | Rj & VK Bird Pty, Ltd. | 2004 | — |
| −4 | K050592 | Somnomed Mas Rxa | Somnomed, Ltd. | 2005 | — |
| −3 | K113201 | Narval CC | Resmed Sas | 2011 | — |
| −2 | K143244 | The Panthera Anti-Snoring Device | Panthera Dental, Inc. | 2014 | — |
| −1 | K171576 | The Panthera Anti-Snoring X3 Device | Panthera Dental, Inc. | 2018 | — |
| 0 (this device) | K252976 | Park Dental Nylon MAD | Park Dental Research Corp. | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1988 | 1 | 0 |
| 1990 | 1 | 0 |
| 1993 | 1 | 0 |
| 1997 | 1 | 0 |
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 LRK? 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 LRK device
- #1 K252531 Myosa (S1H, S1, S2, S3, S1M, S2M); Myosa for…score 16.3 · 9 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K171576 | The Panthera Anti-Snoring X3 DeviceSummary page 5…ng and intraoral devices for snoring and obstructive sleep apnea. Predicate Device: The Panthera Anti-Snoring X3 Device (K171576) Reference Device: airVata (K240427) Device Description: The Park Dental Nylon Mandibular Advancement Device (MAD… | 2018 |
| † | K240427 | airVata™ | 2024 |
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 36 years and passes through 7 companies; a new generation was cleared every 6.4 years on median.
- None of the 11 ancestors has a recall.
How does its category compare?
All LRK devicesLRK Device, Anti-Snoring: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.
FDA decisions per year · LRK
14in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · LRK
107in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LRK
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LRK
653in 2025
MAUDE reports naming product code LRK, 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 | 1 | — | 0 | 0 |
| 2008 | 3 | 109 | 0 | 1 |
| 2009 | 3 | 88 | 2 | 11 |
| 2010 | 8 | 195 | 0 | 7 |
| 2011 | 10 | 134 | 0 | 69 |
| 2012 | 10 | 142 | 0 | 445 |
| 2013 | 9 | 233 | 0 | 72 |
| 2014 | 11 | 219 | 0 | 49 |
| 2015 | 6 | 117 | 0 | 28 |
| 2016 | 10 | 157 | 0 | 18 |
| 2017 | 7 | 170 | 0 | 32 |
| 2018 | 10 | 200 | 0 | 61 |
| 2019 | 13 | 150 | 0 | 56 |
| 2020 | 5 | 80 | 0 | 24 |
| 2021 | 10 | 126 | 0 | 49 |
| 2022 | 11 | 154 | 0 | 40 |
| 2023 | 5 | 156 | 0 | 50 |
| 2024 | 6 | 254 | 0 | 185 |
| 2025 | 14 | 107 | 1 | 653 |
| 2026 | 10 | 63 | 1 | — |
What is it indicated for?
The Park Dental Nylon MAD is intended to reduce or alleviate snoring and mild to moderate obstructive sleep apnea (OSA) in adults.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K252976 · printed Nov 6, 2026
Cite this page
510(k) Report. “K252976: Park Dental Nylon MAD.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K252976
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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