Cleared Traditional

K231817 - AlignerFlow LC

K231817 is an FDA 510(k) clearance for AlignerFlow LC, manufactured by Voco GmbH. The device is a Class 2 Dental device with product code DYH cleared through the Traditional 510(k) pathway after a 163-day FDA review.

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Dec 2023
Decision
163d
Days
Class 2
Risk

K231817 is an FDA 510(k) clearance for the AlignerFlow LC. Classified as Adhesive, Bracket And Tooth Conditioner, Resin (product code DYH), Class II - Special Controls.

Submitted by Voco GmbH (Cuxhaven, DE). The FDA issued a Cleared decision on December 1, 2023 after a review of 163 days - an extended review cycle.

This device falls under the Dental FDA review panel, regulated under 21 CFR 872.3750 - 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. Standard predicate reliance. 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 Voco GmbH devices

FDA 510(k) Submission Details - K231817

510(k) Number K231817 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 21, 2023
Decision Date December 01, 2023
Days to Decision 163 days
Submission Type Traditional
Review Panel Dental (DE)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
36d slower than avg
Panel avg: 127d · This submission: 163d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

DYH Device Classification - Class 2, Special Controls

Product Code DYH Adhesive, Bracket And Tooth Conditioner, Resin
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 872.3750
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 - DYH Adhesive, Bracket And Tooth Conditioner, Resin

All 141
Devices cleared under the same product code (DYH) and FDA review panel - the closest regulatory comparables to K231817.
Ormco™ EtchFree Bonding System, Ormco™ EtchFree Bonding Primer, Ormco™ EtchFree Adhesive
K250015 · Ormco Corporation · Jan 2025
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3M™ Transbond™ Orthodontic Adhesive
K234043 · 3M Unitek Orthodontic Products · Dec 2023
TP Orthodontics Light-Cure Adhesive System, TP Orthodontics Pre-Applied Adhesive, TP Orthodontics Etchant208520
K214054 · Tp Orthodontics, Inc. · Oct 2022
FiteBac CC OrthoSeal
K210115 · Largent Health, LLC · Jul 2021
Orthocem, Ortho Bite
K192682 · Dentscare Ltda · Aug 2020