510(k) Report

510(k) · Cleared

Recalled · Class II · 2026

Silent Nite sl

K183270510(k) TraditionalCleared Jul 17, 2019236-day reviewClass II21 CFR 872.5570Recalls 1

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 Jul 17, 2019 as substantially equivalent to K083209 (Specialty Appliance Works, Inc., 2009) after a 236-day review. Its family tree reaches back 2 generations to 2007. 4 later devices descend from it. It has been recalled once.

Decided
Jul 17, 2019
Review
236 days
Class
Class II
Product code
LRK
Recalls
1
Predicates
1

Its longest line of descent runs back 2 generations to K070327 (2007). 4 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2021: 2 descendants cleared2023: 1 descendant cleared2024: 1 descendant clearedReference device: K972424 · Silentnite · Glidewell Laboratories · 1997 · recalledK070327 · Removable Arylic Herbst, Allesee Snore Appliance (Asa), and Enoch Snorinator · Sybron Dental Specialties, Inc. · 2007K083209 · Acrylic Herbst Splint Appliance · Specialty Appliance Works, Inc. · 200920052010201520202025
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 2 descendants K083209 · Acrylic Herbst Splint Appliance · Specialty Appliance Works, Inc. · 2009K070327 · Removable Arylic Herbst, Allesee Snore Appliance (Asa), and Enoch Snorinator · Sybron Dental Specialties, Inc. · 20070
  1. Root · 2 generations backK070327 Removable Arylic Herbst, Allesee Snore Appliance (Asa), and Enoch…Sybron Dental Specialties, Inc. · 2007
  2. 1 generation backK083209 Acrylic Herbst Splint ApplianceSpecialty Appliance Works, Inc. · 2009
  3. This deviceK183270 Silent Nite slPrismatik Dentalcraft, Inc. · 2019
  4. Descendant · cites it directly · 1 of its ownK211069 EndSnorZ Sleep AppliancePrismatik Dentalcraft, Inc. · 2021
  5. Descendant · cites it directly · 1 of its ownK210694 Silent Nite Sleep Appliance with the Glidewell HingePrismatik Dentalcraft, Inc. · 2021
  6. Descendant · 2 generations on · 0 of its ownK240427 airVata™Gelb Practice Solutions, Inc. · 2024
  7. Descendant · 2 generations on · 0 of its ownK233434 Silent Nite® Sleep Appliance with the Glidewell Hinge™ (SNGLHG)Prismatik Dentalcraft, Inc. · 2023

Most influential descendants

Showing 4 of 4 · See all
  • K211069EndSnorZ Sleep AppliancePrismatik Dentalcraft, Inc. · 2021 · cites it directly1descendant
  • K210694Silent Nite Sleep Appliance with the Glidewell HingePrismatik Dentalcraft, Inc. · 2021 · cites it directly1descendant
  • K240427airVata™Gelb Practice Solutions, Inc. · 2024 · 2 generations on0descendants
  • K233434Silent Nite® Sleep Appliance with the Glidewell Hinge™ (SNGLHG)Prismatik Dentalcraft, Inc. · 2023 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K070327Removable Arylic Herbst, Allesee Snore Appliance (Asa), and Enoch SnorinatorSybron Dental Specialties, Inc.2007—
−1K083209Acrylic Herbst Splint ApplianceSpecialty Appliance Works, Inc.2009—
0 (this device)K183270Silent Nite slPrismatik Dentalcraft, Inc.2019—
+1K211069EndSnorZ Sleep AppliancePrismatik Dentalcraft, Inc.2021—
+1K210694Silent Nite Sleep Appliance with the Glidewell HingePrismatik Dentalcraft, Inc.2021—
+2K240427airVata™Gelb Practice Solutions, Inc.2024—
+2K233434Silent Nite® Sleep Appliance with the Glidewell Hinge™ (SNGLHG)Prismatik Dentalcraft, Inc.2023—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202120
202310
202410
FIG. 1 — Lineage of K183270, 2007–2024Source: 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? (2)

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
*K083209Acrylic Herbst Splint Appliance
Summary page 5
…8- 1 - | P a g e C. IDENTIFICATION OF PREDICATE DEVICE Primary Predicate: OASYS Hinge ApplianceTM (K083209) Reference Predicate Device: SilentNite® (K972424) D. DEVICE DESCRIPTION Silent Nite® sl is a mandibular advancem…
Specialty Appliance Works, Inc.2009—
*—SilentNite
Named without a submission number
—
†K972424SilentniteGlidewell Laboratories19971

Also cleared against K083209: 6 other devices →

What descends from it? (4)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K211069EndSnorZ Sleep AppliancePrismatik Dentalcraft, Inc.20211
K210694Silent Nite Sleep Appliance with the Glidewell HingePrismatik Dentalcraft, Inc.20211

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Apr 27, 2026Class IIZ-2769-2026Process controlDue to device not having FDA Clearance

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 12 years and passes through 3 companies; a new generation was cleared every 10.5 years on median.
  • None of the 2 ancestors has a recall.
  • Of its descendants, K211069 (Prismatik Dentalcraft, Inc., 2021) has gone furthest, with 1 descendant of its own.
  • 6 other devices also cite its predicate K083209.

How does its category compare?

All LRK devices

LRK Device, Anti-Snoring: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, 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® sl is indicated to reduce snoring and mild to moderate obstructive sleep apnea (OSA) in patients 18 years of age or older. Silent Nite® sl 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. “K183270: Silent Nite sl.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K183270

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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