510(k) Report

FDA applicant

Ohlendorf Appliance Laboratory

St. Louis, MO1 decision2021–20210 recalls

FDA records 1 decision for Ohlendorf Appliance Laboratory (St. Louis, MO) in 2021: 1 510(k) clearance. All are in product code NXC (Aligner, Sequential). Its devices cite 1 predicate, 0 of them its own earlier devices. No recall is linked to its devices.

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

FIG. A — Illustration, dental panel, where it files most

How often FDA has decided Ohlendorf Appliance Laboratory’s devices, and how often a recall has named them.

FDA decisions per year

1in 2021

2021: 1
2021high 1 (2021) · low 0 (2022)2026

2026 so far, outlined.

Recalls per year

No recall linked to its devices since 2021.

FIG. 1 — Ohlendorf Appliance Laboratory by year, 2021–2026Sources: FDA decision databases, recall and enforcement reports · Data through Oct 25, 2026

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Which product codes does it file in?

  • NXCAligner, Sequential1decision

Whose devices does it build on?

Its devices cite 1 predicate; 0 are its own earlier devices. The firms it cites most:

Who builds on its devices?

Later devices cite its devices 1 time; 0 of those are its own. The firms that cite it most:

Which of its devices are cited most?

Its devices that later submissions most often claim equivalence to.

  • K210540Ohlendorf Clear AlignerOhlendorf Appliance Laboratory · 20211cites it

What has FDA decided for it lately?

  • K210540Ohlendorf Clear AlignerOhlendorf Appliance Laboratory · 2021

The one decision as Ohlendorf Appliance Laboratory →