Cleared Traditional

K920508 - BIO-OSS BLOCKS

K920508 is an FDA 510(k) clearance for BIO-OSS BLOCKS, manufactured by Geistlich-Pharma. The device is a Class 2 Dental device with product code LYC cleared through the Traditional 510(k) pathway after a 293-day FDA review.

K920508 · Geistlich-Pharma · Dental device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Nov 1992
Decision
293d
Days
Class 2
Risk

K920508 is an FDA 510(k) clearance for the BIO-OSS BLOCKS. Classified as Bone Grafting Material, Synthetic (product code LYC), Class II - Special Controls.

Submitted by Geistlich-Pharma (Washington, US). The FDA issued a Cleared decision on November 24, 1992 after a review of 293 days - an extended review cycle.

This device falls under the Dental FDA review panel, regulated under 21 CFR 872.3930 - 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 Geistlich-Pharma devices

FDA 510(k) Submission Details - K920508

510(k) Number K920508 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 05, 1992
Decision Date November 24, 1992
Days to Decision 293 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
166d slower than avg
Panel avg: 127d · This submission: 293d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

LYC Device Classification - Class 2, Special Controls

Product Code LYC Bone Grafting Material, Synthetic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 872.3930
Definition A Synthetic Bone Grafting Material Is Synthetically-derived Device, Such As Hydroxylapatite, Intended To Fill, Augment, Or Reconstruct Periodontal And Or Bony Defects Of The Upper Or Lower Jaw.
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 - LYC Bone Grafting Material, Synthetic

All 122
Devices cleared under the same product code (LYC) and FDA review panel - the closest regulatory comparables to K920508.
4060 POROUS HA PARTICULES BII PORE
K924286 · Bio-Interfaces, Inc. · Apr 1993
B1018 POROUS HA BII-PORE
K924288 · Bio-Interfaces, Inc. · Apr 1993
1840 HA PARTICLES
K921776 · Bio-Interfaces, Inc. · Dec 1992
HAPSET HYDROXYLAPATITE BONE GRAFT PLASTER
K910432 · Lifecore Biomedical, Inc. · May 1991
4060 HA PARTICLES
K885067 · Bio-Interfaces, Inc. · Jan 1989
HYDROXYLAPATITE BONE GRAFT MATERIAL
K863237 · Richards Medical Co., Inc. · Dec 1986