Cleared Traditional

K133390 - NDX DORSAL APPLIANCE (FDA 510(k) Clearance)

Class II Dental device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

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Oct 2014
Decision
345d
Days
Class 2
Risk

K133390 is an FDA 510(k) clearance for the NDX DORSAL APPLIANCE. Classified as Device, Anti-snoring (product code LRK), Class II - Special Controls.

Submitted by Institute For Quality Resource Management (St. Louis, US). The FDA issued a Cleared decision on October 16, 2014 after a review of 345 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Dental FDA review panel, regulated under 21 CFR 872.5570 - the FDA dental device regulatory framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Standard predicate-based submission. Elevated predicate reliance profile. This clearance follows a standard predicate-based equivalence path within the Dental review framework, consistent with the majority of Class II 510(k) submissions.

View all Institute For Quality Resource Management devices

Submission Details

510(k) Number K133390 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 05, 2013
Decision Date October 16, 2014
Days to Decision 345 days
Submission Type Traditional
Review Panel Dental (DE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
218d slower than avg
Panel avg: 127d · This submission: 345d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LRK Device, Anti-snoring
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 872.5570
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Dental devices follow this clearance model.

Regulatory Peers - LRK Device, Anti-snoring

All 210
Devices cleared under the same product code (LRK) and FDA review panel - the closest regulatory comparables to K133390.
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Myosa (S1H, S1, S2, S3, S1M, S2M)
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Park Dental Nylon MAD
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