Cleared Traditional

K921173 - TYPE 1 DENTAL CEMENT

K921173 is an FDA 510(k) clearance for TYPE 1 DENTAL CEMENT, manufactured by Centrix, Inc.. The device is a Class 2 Dental device with product code EMA cleared through the Traditional 510(k) pathway after a 238-day FDA review.

K921173 · Centrix, Inc. · Dental device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Nov 1992
Decision
238d
Days
Class 2
Risk

K921173 is an FDA 510(k) clearance for the TYPE 1 DENTAL CEMENT. Classified as Cement, Dental (product code EMA), Class II - Special Controls.

Submitted by Centrix, Inc. (Milford, US). The FDA issued a Cleared decision on November 4, 1992 after a review of 238 days - an extended review cycle.

This device falls under the Dental FDA review panel, regulated under 21 CFR 872.3275 - 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 Centrix, Inc. devices

FDA 510(k) Submission Details - K921173

510(k) Number K921173 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 11, 1992
Decision Date November 04, 1992
Days to Decision 238 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
111d slower than avg
Panel avg: 127d · This submission: 238d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

EMA Device Classification - Class 2, Special Controls

Product Code EMA Cement, Dental
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 872.3275
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.