Cleared Traditional

K120948 - PREXION 3D (FDA 510(k) Clearance)

Class II Radiology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

Dec 2012
Decision
267d
Days
Class 2
Risk

K120948 is an FDA 510(k) clearance for the PREXION 3D. Classified as X-ray, Tomography, Computed, Dental (product code OAS), Class II - Special Controls.

Submitted by The Yoshida Dental Mfg. Co., Ltd. (Tokyo, JP). The FDA issued a Cleared decision on December 21, 2012 after a review of 267 days - an extended review cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1750 - the FDA radiology and imaging software oversight 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 Radiology review framework, consistent with the majority of Class II 510(k) submissions.

Submission Details

510(k) Number K120948 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 29, 2012
Decision Date December 21, 2012
Days to Decision 267 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary Summary PDF
Regulatory Context
Review time vs. panel average
139d slower than avg
Panel avg: 128d · This submission: 267d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code OAS X-ray, Tomography, Computed, Dental
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.1750
Definition Produce Cross-sectional Diagnostic X-ray Images Of The Intra-oral Tissue And Teeth.
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 Radiology devices follow this clearance model.

Regulatory Peers - OAS X-ray, Tomography, Computed, Dental

All 25
Devices cleared under the same product code (OAS) and FDA review panel - the closest regulatory comparables to K120948.
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