Cleared Traditional

K921979 - ROOT ZX (FDA 510(k) Clearance)

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
May 1993
Decision
394d
Days
-
Risk

K921979 is an FDA 510(k) clearance for the ROOT ZX. Classified as Locator, Root Apex (product code LQY).

Submitted by J. Morita USA, Inc. (Irvine, US). The FDA issued a Cleared decision on May 27, 1993 after a review of 394 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Dental FDA review panel. 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. Elevated predicate reliance profile. 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 J. Morita USA, Inc. devices

Submission Details

510(k) Number K921979 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 28, 1992
Decision Date May 27, 1993
Days to Decision 394 days
Submission Type Traditional
Review Panel Dental (DE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
267d slower than avg
Panel avg: 127d · This submission: 394d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code LQY Locator, Root Apex
Device Class -