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Osteoblast cell behavior on polyetheretherketone dental implant surfaces treated with different grit size aluminum oxide particles: An in vitro analysis.

J Prosthet Dent

April 2024

Professor and Head, Department of Prosthetic Dentistry and Biomedical Materials Science, Hannover Medical School, Germany and Lower Saxony Centre for Biomedical Engineering, Implant Research and Development (NIFE), Hannover, Germany.

Statement Of Problem: The hydrophobic and bioinert nature of polyetheretherketone (PEEK) implants needs to be addressed for successful osseointegration.

Purpose: The purpose of this in vitro study was to evaluate the osteoblast cell behavior on PEEK implant surfaces treated with airborne-particle abrasion using different grit size aluminum oxide (AlO) particles.

Material And Methods: Disk-shaped specimens (n=96) were prepared from medical grade PEEK rods and were distributed into 4 groups (n=24) of untreated PEEK (PEEK 0), airborne-particle abrasion using 50-μm AlO particles (PEEK 50), airborne-particle abrasion using 110-μm AlO particles (PEEK 110), and airborne-particle abrasion using 150-μm AlO particles (PEEK 150).

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