Cleared Traditional

K891390 - GK ALLOY

K891390 is an FDA 510(k) clearance for GK ALLOY, manufactured by China Link, Inc.. The device is a Class 2 Dental device with product code EJJ cleared through the Traditional 510(k) pathway after a 34-day FDA review.

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Apr 1989
Decision
34d
Days
Class 2
Risk

K891390 is an FDA 510(k) clearance for the GK ALLOY. Classified as Alloy, Amalgam (product code EJJ), Class II - Special Controls.

Submitted by China Link, Inc. (San Mateo, US). The FDA issued a Cleared decision on April 17, 1989 after a review of 34 days - a notably fast clearance cycle.

This device falls under the Dental FDA review panel, regulated under 21 CFR 872.3070 - 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: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all China Link, Inc. devices

FDA 510(k) Submission Details - K891390

510(k) Number K891390 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 14, 1989
Decision Date April 17, 1989
Days to Decision 34 days
Submission Type Traditional
Review Panel Dental (DE)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
94d faster than avg
Panel avg: 128d · This submission: 34d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

EJJ Device Classification - Class 2, Special Controls

Product Code EJJ Alloy, Amalgam
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 872.3070
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 - EJJ Alloy, Amalgam

All 46
Devices cleared under the same product code (EJJ) and FDA review panel - the closest regulatory comparables to K891390.
PENT CAPS
K890662 · Jeneric/Pentron, Inc. · May 1989
OROSPHERE PLUS
K890682 · Jeneric/Pentron, Inc. · May 1989
OROSPHERE HCDP
K890681 · Jeneric/Pentron, Inc. · May 1989
OLYMPIA ALLOY
K881333 · J.F. Jelenko & Co., Inc. · Apr 1988
HERAEUS' HERAGAM 48, NON GAMMA 2 DEN. AMAL. ALLOY
K875344 · Kulzer, Inc. · Mar 1988
ALLOY FOR DENTAL AMALGAM LUXALLOY NON GAMMA 2
K870230 · Degussa Dental, Inc. · May 1987