510(k) · Cleared
ClearedNight Guard
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
3D Diagnostix, Inc. · MQC Mouthguard, Prescription
Cleared on Nov 25, 2020 as substantially equivalent to K121365 (Glidewell Laboratories-Sleep Devices Group, 2012) after a 90-day review. Its family tree reaches back 3 generations to 1989.
- Decided
- Nov 25, 2020
- Review
- 90 days
- Class
- Class U
- Product code
- MQC
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 3 generations to K882303 (1989). 9 ancestors in all. No later device cites it as a predicate yet.
- Root · 3 generations backK882303 H&M Anti-Snoring DeviceHays & Meade, Inc. · 1989
- 2 generations backK014079 DR. Hays Bite GuardInventive Resources, Inc. · 2002
- 1 generation backK121365 Thermoformed MouthguardsGlidewell Laboratories-Sleep Devices Group · 2012
- This deviceK202465 Night Guard3D Diagnostix, Inc. · 2020
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K882303 | H&M Anti-Snoring Device | Hays & Meade, Inc. | 1989 | — |
| −2 | K014079 | DR. Hays Bite Guard | Inventive Resources, Inc. | 2002 | — |
| −1 | K121365 | Thermoformed Mouthguards | Glidewell Laboratories-Sleep Devices Group | 2012 | — |
| 0 (this device) | K202465 | Night Guard | 3D Diagnostix, Inc. | 2020 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 2 | 0 |
| 2001 | 1 | 0 |
| 2003 | 1 | 0 |
| 2006 | 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 MQC? 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 MQC device
- #1 K203000 KeyPrint KeySplint Hardscore 15.3 · 5 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 |
|---|---|---|---|
| * | K121365 | Thermoformed MouthguardsSummary page 4…MQC Primary Predicate Devices Prismatik Dentalcraft ,Inc. Thermoformed Mouthguards/Nightguards K121365 GLIDEWELL LABORATORIES-SLEEP DEVICES GROUP Intended Use… | 2012 |
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 31 years and passes through 4 companies; a new generation was cleared every 10.7 years on median.
- None of the 9 ancestors has a recall.
- 1 other device also cites its predicate K121365.
How does its category compare?
All MQC devicesMQC Mouthguard, Prescription: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.
FDA decisions per year · MQC
4in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · MQC
185in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · MQC
1in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · MQC
7in 2025
MAUDE reports naming product code MQC, 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 | 4 | 79 | 0 | 9 |
| 2008 | 0 | — | 0 | 6 |
| 2009 | 2 | — | 0 | 3 |
| 2010 | 1 | — | 0 | 5 |
| 2011 | 4 | 194 | 0 | 2 |
| 2012 | 2 | — | 0 | 0 |
| 2013 | 1 | — | 0 | 6 |
| 2014 | 1 | — | 0 | 2 |
| 2015 | 3 | 234 | 0 | 5 |
| 2016 | 0 | — | 0 | 9 |
| 2017 | 2 | — | 0 | 7 |
| 2018 | 0 | — | 0 | 71 |
| 2019 | 5 | 286 | 0 | 62 |
| 2020 | 4 | 204 | 0 | 46 |
| 2021 | 7 | 158 | 0 | 111 |
| 2022 | 5 | 120 | 0 | 137 |
| 2023 | 6 | 230 | 1 | 62 |
| 2024 | 8 | 249 | 0 | 8 |
| 2025 | 4 | 185 | 0 | 7 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
Night Guard is indicated for protection against bruxism or nighttime teeth grinding. It creates a barrier between upper and lower dentition to protect the patient's overall occlusion.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K202465 · printed Nov 6, 2026
Cite this page
510(k) Report. “K202465: Night Guard.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K202465
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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