LRK · Class II · 21 CFR 872.5570

FDA Product Code LRK: Device, Anti-snoring

Oral appliance therapy provides an effective non-CPAP option for snoring and mild obstructive sleep apnea. FDA product code LRK covers anti-snoring devices worn in the mouth during sleep.

These mandibular advancement or tongue retention devices reposition the jaw or tongue to maintain airway patency during sleep, reducing snoring and apnea events. They are custom-fabricated or thermoplastic appliances worn during sleep.

LRK devices are Class II medical devices, regulated under 21 CFR 872.5570 and reviewed by the FDA Dental panel.

Leading manufacturers include Prismatik Dentalcraft, Inc., Good Sleep CO Pte , Ltd. and Fissiontech, LLC.

210
Total
210
Cleared
175d
Avg days
1988
Since
Stable submission activity - 18 submissions in the last 2 years
Review times improving: avg 138d recently vs 178d historically

FDA 510(k) Cleared Device, Anti-snoring Devices (Product Code LRK)

210 devices
1–24 of 210
Cleared Apr 10, 2026
ShaeferH
K252942
Shaeferh, LLC
Dental · 207d
Cleared Mar 03, 2026
Anti Snoring Mouthpiece (L08-BP, L08-PT, L08-BT, L08-TP, L08-TB, L08-PB)
K253845
Ram.Shaw Pte. , Ltd.
Dental · 91d
Cleared Mar 02, 2026
Myosa (S1H, S1, S2, S3, S1M, S2M)
K252531
Myofunctional Research Co.
Dental · 202d
Cleared Dec 18, 2025
Park Dental Nylon MAD
K252976
Park Dental Research Corp.
Dental · 92d
Cleared Dec 05, 2025
QuietLab Pro
K253868
QuietLab, LLC
Dental · 2d
Cleared Nov 25, 2025
Hushd Avera
K252161
Good Sleep CO Pte , Ltd.
Dental · 138d
Cleared Nov 06, 2025
AIO Breathe
K252525
Aiomega, LLC
Dental · 87d
Cleared Nov 03, 2025
NightGuard Aire Max
K252698
Nightguard Express, LLC
Dental · 68d
Cleared Oct 29, 2025
Difiney Advanced Anti Snoring Device 4.0
K253355
Fissiontech, LLC
Dental · 29d
Cleared Oct 24, 2025
Hushd Pro Z-Link
K251784
Good Sleep CO Pte , Ltd.
Dental · 135d
Cleared Oct 22, 2025
Mandibular Advancement Device L07
K251628
Dcstar, Inc.
Dental · 147d
Cleared Oct 03, 2025
Anti Snore Mouthpiece
K250028
Dongguan Yiyao Science & Technology Development Co., Ltd.
Dental · 270d
Cleared Sep 17, 2025
Double Tube Herbst Appliance
K243752
The Tmj Clinic PC
Dental · 286d
Cleared Sep 11, 2025
Nylon flexTAP(R)
K252374
Airway Technologies D/B/A Airway Management
Dental · 43d
Cleared Sep 04, 2025
Oniris
K250353
Oniris
Dental · 209d
Cleared May 19, 2025
SleepRight Snore Aid
K250122
Splintek, Inc.
Dental · 122d
Cleared May 08, 2025
Advanced Anti Snoring Device 4.0 Clear/ Advanced Anti Snoring Device 4.0 Blue
K250482
Fissiontech, LLC
Dental · 78d
Cleared Sep 16, 2024
DNA Appliance
K234089
Vivos Therapeutics
Dental · 269d
Cleared May 09, 2024
Hushd Pro Avera
K232025
Good Sleep CO Pte , Ltd.
Dental · 307d
Cleared May 03, 2024
EMA 3D
K232735
Ema Sleep Incorporated
Dental · 239d
Cleared Apr 18, 2024
Difiney Anti Snoring Device
K233850
Fissiontech, LLC
Dental · 135d
Cleared Feb 14, 2024
airVata™
K240427
Gelb Practice Solutions, Inc.
Dental · 1d
Cleared Jan 16, 2024
Aniti-Snore Mouthguard+
K231138
Oscimed SA
Dental · 270d
Cleared Nov 14, 2023
Silent Nite® Sleep Appliance with the Glidewell Hinge™ (SNGLHG)
K233434
Prismatik Dentalcraft, Inc.
Dental · 32d

About Product Code LRK - Regulatory Context

510(k) Submission Activity

210 total 510(k) submissions under product code LRK since 1988, with 210 receiving FDA clearance (average review time: 175 days).

Submission volume has remained relatively stable over the observed period, with 18 submissions in the last 24 months.

FDA Review Time

Recent submissions under LRK have taken an average of 138 days to reach a decision - down from 178 days historically, suggesting improved FDA processing for this classification.

LRK devices are reviewed by the Dental panel. Browse all Dental devices →