Related Experiment Video
Updated: Aug 7, 2026
05:50
Facile Preparation of Ultrafine Aluminum Hydroxide Particles with or without Mesoporous MCM-41 in Ambient Environments
Published on: May 11, 2017
Distribution and Chemical Nature of Al2O3 Residues Following the Sandblasting Process: An In Vitro Study Using SEM,
Antonio Scarano1,2, Sergio Alexandre Gehrke3, Giovanni Falisi4
1Department of Innovative Technology in Medicine and Dentistry, University of Chieti-Pescara, Chieti, Italy, unich.it.
Biomed Research International
|August 6, 2026
Summary
Residual aluminum oxide particles on dental implants after sandblasting do not affect cell viability. This indicates that these implant surfaces are non-cytotoxic and biocompatible for clinical use.
Area of Science:
- Biomaterials Science
- Dental Implantology
- Materials Science
Background:
- Osseointegration is critical for dental implant success, influenced by implant surface characteristics.
- High reliability of current implant systems is established, even in patients with chronic diseases.
- Implant surface properties directly impact bone's biological response.
Purpose of the Study:
- To investigate foreign material on sandblasted dental implants using SEM and EDS.
- To characterize surface morphology and elemental composition.
- To evaluate in vitro cytotoxic potential according to ISO 10993-5:2009.
Main Methods:
- Scanning Electron Microscopy (SEM) and Energy-Dispersive X-ray Spectroscopy (EDS) for surface analysis.
- In vitro cytotoxicity assays using cell viability tests (ISO 10993-5:2009).
- Analysis of 20 sandblasted Grade 5 titanium dental implants for surface characterization and 20 for cytotoxicity.
Main Results:
- SEM revealed uniform roughness consistent with sandblasting, with some adhering aluminum oxide particles.
- Cell viability for test samples was 96.9%, comparable to negative controls (96.0%).
- Test samples showed no significant cytotoxic effects, with viability above 70%.
Conclusions:
- Residual alumina particles from sandblasting do not negatively impact cellular viability.
- Implant surface residues are considered non-cytotoxic under tested conditions.
- Findings support the biocompatibility of the sandblasted implant surface.
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