Ion Release from Dental Implants, Prosthetic Abutments and Crowns under Physiological and Acidic Conditions

Ion release from dental implants and prosthetic restoration can affect osteointegration and implant viability over a long period of time. Therefore, the aim of this study was to study the ion release from implants and crowns, with and without intermediate anodized abutments, in two different media,...

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Bibliographic Details
Published in:Coatings (Basel) 2021-01, Vol.11 (1), p.98
Main Authors: Arregui, María, Latour, Florian, Gil, Francisco Javier, Pérez, Román A., Giner-Tarrida, Luis, Delgado, Luis M.
Format: Article
Language:English
Subjects:
Acids
Aluminum
Anodizing
Aqueous solutions
Biocompatibility
Biodegradation
Biomedical materials
Body fluids
Chemical elements
Chromium
Corrosion
Dental implants
Inductively coupled plasma mass spectrometry
Ion concentration
Lactic acid
Microscopy
Physiology
Prostheses
Scientific imaging
Simulation
Submerging
Surgical implants
Titanium
Titanium alloys
Vanadium
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Summary:Ion release from dental implants and prosthetic restoration can affect osteointegration and implant viability over a long period of time. Therefore, the aim of this study was to study the ion release from implants and crowns, with and without intermediate anodized abutments, in two different media, simulating clinical conditions. The implants, intermediate prosthetic abutments and Cr–Co crowns were divided into two groups depending on the media: Hanks’ solution and 1% lactic acid, simulating body fluids and microbiologically conditioned fluids, respectively. The study followed the ISO 10271:2011 and 10993-15:2000 standards modified to simulate the replacement of fluids in the oral environment. The ions’ release was measured by inductively coupled plasma mass spectroscopy (ICP-EOS), and only aluminum, chromium, cobalt, titanium and vanadium were identified. Ion concentration was higher in lactic acid than in Hanks’ solution at all time points (p < 0.05). Only vanadium showed a very low ion release in lactic acid, with no statistically significant differences from the ion release in Hanks’ solution (p = 0.524). Both anodized abutments and the immersion medium influenced the release of ions and affected the corrosion of these structures. The presence of an intermediate anodized abutment also affected ion release, as the level of ions was lower in groups with this component.
ISSN:2079-6412
2079-6412
DOI:10.3390/coatings11010098