Cleared Traditional

K925088 - EXPANSION SCREWS

K925088 is an FDA 510(k) clearance for EXPANSION SCREWS, manufactured by Forestadent. The device is a Class 1 Dental device with product code DYJ cleared through the Traditional 510(k) pathway after a 227-day FDA review.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
May 1993
Decision
227d
Days
Class 1
Risk

K925088 is an FDA 510(k) clearance for the EXPANSION SCREWS. Classified as Retainer, Screw Expansion, Orthodontic (product code DYJ), Class I - General Controls.

Submitted by Forestadent (Germany, DE). The FDA issued a Cleared decision on May 22, 1993 after a review of 227 days - an extended review cycle.

This device falls under the Dental FDA review panel, regulated under 21 CFR 872.5410 - 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 Forestadent devices

FDA 510(k) Submission Details - K925088

510(k) Number K925088 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 07, 1992
Decision Date May 22, 1993
Days to Decision 227 days
Submission Type Traditional
Review Panel Dental (DE)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
100d slower than avg
Panel avg: 127d · This submission: 227d
Pathway characteristics
Predicate-based equivalence.

DYJ Device Classification - Class 1, General Controls

Product Code DYJ Retainer, Screw Expansion, Orthodontic
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 872.5410
What this classification means

Class I devices are subject to general controls only and most are exempt from 510(k) premarket notification. They represent the lowest regulatory burden in the FDA device framework.