Cleared Special

Diafil & Diafil Capsule (K210421) - FDA 510(k) Clearance

Class II Dental device cleared through the Special 510(k) pathway - typically does not require clinical trials.

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Jun 2021
Decision
137d
Days
Class 2
Risk

K210421 is an FDA 510(k) clearance for the Diafil & Diafil Capsule. Classified as Material, Tooth Shade, Resin (product code EBF), Class II - Special Controls.

Submitted by DiaDent Group International (Cheongju-Si, KR). The FDA issued a Cleared decision on June 28, 2021 after a review of 137 days - within the typical 510(k) review window.

This device falls under the Dental FDA review panel, regulated under 21 CFR 872.3690 - the FDA dental device regulatory framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Standard predicate reliance. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all DiaDent Group International devices

Submission Details

510(k) Number K210421 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 11, 2021
Decision Date June 28, 2021
Days to Decision 137 days
Submission Type Special
Review Panel Dental (DE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
10d slower than avg
Panel avg: 127d · This submission: 137d
Pathway characteristics
Modification to existing cleared device.

Device Classification

Product Code EBF Material, Tooth Shade, Resin
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 872.3690
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 - EBF Material, Tooth Shade, Resin

All 291
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