510(k) · Cleared
ClearedImproved Comfort-Fit Nightguard
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Den Tek Oral Care, Inc. · OBR Mouthguard, Over-The-Counter
Cleared on Jul 10, 2008 as substantially equivalent to K072147 (Den Tek Oral Care, Inc., 2007) after a 27-day review. Its family tree reaches back 2 generations to 2003. 1 later device descends from it.
- Decided
- Jul 10, 2008
- Review
- 27 days
- Class
- Class U
- Product code
- OBR
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 2 generations to K022809 (2003). 6 ancestors in all, the oldest K010876 (2001). 1 later device descends from it, 1 citing it directly.
- Root · 2 generations backK022809 EZ Splint & EZ Splint PMPower Products, Inc.-Splintek · 2003
- 1 generation backK072147 Den Tek Comfort Fit NightguardDen Tek Oral Care, Inc. · 2007
- This deviceK081669 Improved Comfort-Fit NightguardDen Tek Oral Care, Inc. · 2008
- Descendant · cites it directly · 0 of its ownK123849 New Comfort-Fit Dental GuardDen Tek Oral Care, Inc. · 2013
Most influential descendants
Showing 1 of 1 · See all- K123849New Comfort-Fit Dental GuardDen Tek Oral Care, Inc. · 2013 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −2 | K022809 | EZ Splint & EZ Splint PM | Power Products, Inc.-Splintek | 2003 | — |
| −1 | K072147 | Den Tek Comfort Fit Nightguard | Den Tek Oral Care, Inc. | 2007 | — |
| 0 (this device) | K081669 | Improved Comfort-Fit Nightguard | Den Tek Oral Care, Inc. | 2008 | — |
| +1 | K123849 | New Comfort-Fit Dental Guard | Den Tek Oral Care, Inc. | 2013 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2001 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2013 | 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 OBR? 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 OBR device
- #1 K251778 Remi Custom Night Guardscore 15.6 · 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 |
|---|---|---|---|
| * | K072147 | Den Tek Comfort Fit NightguardSummary page 1…Classification Name Mouthiguard, Over-the-Counter Classification Product Code OBR Predicate Devices DenTek Oral Care Inc.'s Comfort Fit NightGuard (K072 147) Purpose of the Special 510(k) notice. The Improved Comfort-Fit NightGuard is a modification to DenTek Oral… | 2007 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K123849 | New Comfort-Fit Dental Guard | 2013 | 0 |
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 5 years and passes through 2 companies; a new generation was cleared every 3.9 years on median.
- None of the 6 ancestors has a recall.
- Of its descendants, K123849 (Den Tek Oral Care, Inc., 2013) has gone furthest, with 0 descendants of its own.
- 5 other devices also cite its predicate K072147.
How does its category compare?
All OBR devicesOBR Mouthguard, Over-The-Counter: FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.
FDA decisions per year · OBR
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · OBR
129in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · OBR
No recall names OBR since 2007.
Adverse event reports per year · OBR
13in 2025
MAUDE reports naming product code OBR, 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 | 2 | — | 0 | 1 |
| 2008 | 5 | 55 | 0 | 0 |
| 2009 | 3 | 16 | 0 | 7 |
| 2010 | 2 | — | 0 | 3 |
| 2011 | 1 | — | 0 | 0 |
| 2012 | 4 | 145 | 0 | 4 |
| 2013 | 2 | — | 0 | 8 |
| 2014 | 2 | — | 0 | 776 |
| 2015 | 1 | — | 0 | 31 |
| 2016 | 1 | — | 0 | 16 |
| 2017 | 1 | — | 0 | 24 |
| 2018 | 2 | — | 0 | 23 |
| 2019 | 3 | 266 | 0 | 29 |
| 2020 | 3 | 161 | 0 | 15 |
| 2021 | 2 | — | 0 | 10 |
| 2022 | 2 | — | 0 | 6 |
| 2023 | 1 | — | 0 | 5 |
| 2024 | 2 | — | 0 | 18 |
| 2025 | 3 | 129 | 0 | 13 |
| 2026 | 4 | 103 | 0 | — |
What is it indicated for?
The DenTek Improved Comfort-Fit NightGuard is indicated for use for protection against bruxism or nighttime teeth grinding. It is intended to reduce damage to the teeth and to prevent the noise associated with bruxing or grinding.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K081669 · printed Nov 4, 2026
Cite this page
510(k) Report. “K081669: Improved Comfort-Fit Nightguard.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K081669
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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