510(k) Report

510(k) · Cleared

Cleared

Silent Nite Sleep Appliance with the Glidewell Hinge

K210694510(k) SpecialCleared Jun 16, 2021100-day reviewClass II21 CFR 872.5570

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

Prismatik Dentalcraft, Inc. · LRK Device, Anti-Snoring

Cleared on Jun 16, 2021 as substantially equivalent to K183270 (Prismatik Dentalcraft, Inc., 2019) after a 100-day review. Its family tree reaches back 3 generations to 2007. 1 later device descends from it.

Decided
Jun 16, 2021
Review
100 days
Class
Class II
Product code
LRK
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K070327 (2007). 1 later device descends from it, 1 citing it directly.

  1. Root · 3 generations backK070327 Removable Arylic Herbst, Allesee Snore Appliance (Asa), and Enoch…Sybron Dental Specialties, Inc. · 2007
  2. 2 generations backK083209 Acrylic Herbst Splint ApplianceSpecialty Appliance Works, Inc. · 2009
  3. 1 generation backK183270 Silent Nite slPrismatik Dentalcraft, Inc. · 2019 · Recalled
  4. This deviceK210694 Silent Nite Sleep Appliance with the Glidewell HingePrismatik Dentalcraft, Inc. · 2021
  5. Descendant · cites it directly · 0 of its ownK233434 Silent Nite® Sleep Appliance with the Glidewell Hinge™ (SNGLHG)Prismatik Dentalcraft, Inc. · 2023

Most influential descendants

Showing 1 of 1 · See all
  • K233434Silent Nite® Sleep Appliance with the Glidewell Hinge™ (SNGLHG)Prismatik Dentalcraft, Inc. · 2023 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K070327Removable Arylic Herbst, Allesee Snore Appliance (Asa), and Enoch SnorinatorSybron Dental Specialties, Inc.2007—
−2K083209Acrylic Herbst Splint ApplianceSpecialty Appliance Works, Inc.2009—
−1K183270Silent Nite slPrismatik Dentalcraft, Inc.20191
0 (this device)K210694Silent Nite Sleep Appliance with the Glidewell HingePrismatik Dentalcraft, Inc.2021—
+1K233434Silent Nite® Sleep Appliance with the Glidewell Hinge™ (SNGLHG)Prismatik Dentalcraft, Inc.2023—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
FIG. 1 — Lineage of K210694, 2007–2023Source: 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 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. #1 K252531 Myosa (S1H, S1, S2, S3, S1M, S2M); Myosa for…score 16.3 · 9 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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
*K183270Silent Nite sl
Summary page 4
…for obstructive sleep apnea and Number 21 CFR 872.5570 Product Code LRK Regulatory Class II Primary Predicate K183270, Silent Nite sl, Prismatik Dentalcraft, Inc. (LRK) Device: Reference Devices Reference #1: K200125, Thermoforming…
Prismatik Dentalcraft, Inc.20191
†K200125Thermoforming Sheet MaterialsErkodent Erich Kopp GmbH2020—
†K083209Acrylic Herbst Splint ApplianceSpecialty Appliance Works, Inc.2009—

Also cleared against K183270: 1 other device →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K233434Silent Nite® Sleep Appliance with the Glidewell Hinge™ (SNGLHG)Prismatik Dentalcraft, Inc.20230

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 1.9 years on median.
  • 1 of the 3 ancestors has a recall of any class.
  • Of its descendants, K233434 (Prismatik Dentalcraft, Inc., 2023) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K183270.

How does its category compare?

All LRK devices

LRK Device, Anti-Snoring: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · LRK

14in 2025

2007: 12008: 32009: 32010: 82011: 102012: 102013: 92014: 112015: 62016: 102017: 72018: 102019: 132020: 52021: 102022: 112023: 52024: 62025: 142026 (partial year): 10
2007high 14 (2025) · low 1 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LRK

107in 2025

2008: 109 days median2009: 88 days median2010: 195 days median2011: 134 days median2012: 142 days median2013: 233 days median2014: 219 days median2015: 117 days median2016: 157 days median2017: 170 days median2018: 200 days median2019: 150 days median2020: 80 days median2021: 126 days median2022: 154 days median2023: 156 days median2024: 254 days median2025: 107 days median2026 (partial year): 63 days median
2007high 254 (2024) · low 80 (2020)2026

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

Recalls per year · LRK

1in 2025

2009: 22025: 12026 (partial year): 1
2007high 2 (2009) · low 0 (2007)2026

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

Adverse event reports per year · LRK

653in 2025

2008: 12009: 112010: 72011: 692012: 4452013: 722014: 492015: 282016: 182017: 322018: 612019: 562020: 242021: 492022: 402023: 502024: 1852025: 653
2007high 653 (2025) · low 0 (2007)2025

MAUDE reports naming product code LRK, 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
20071—00
2008310901
2009388211
2010819507
201110134069
2012101420445
20139233072
201411219049
20156117028
201610157018
20177170032
201810200061
201913150056
2020580024
202110126049
202211154040
20235156050
202462540185
2025141071653
202610631—

What is it indicated for?

Silent Nite Sleep Appliance with the Glidewell Hinge is indicated to reduce snoring and mild to moderate obstructive sleep apnea (OSA) in patients 18 years of age or older. It is worn while sleeping to support the lower jaw in a forward position prescribed by the dentist. The appliance is removable by the patient.

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. “K210694: Silent Nite Sleep Appliance with the Glidewell Hinge.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K210694

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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