Effect of pH, fluoride and hydrofluoric acid concentration on ion release from NiTi wires with various coatings
Source abstract
Abstract
Aim was to determine effect of pH, fluoride (F−) and hydrofluoric acid concentration (HF) on dynamic of nickel (Ni2+) and titanium (Ti4+) ions release. Nickel-titanium wires with untreated surface (NiTi), rhodium (RhNiTi) and nitride (NNiTi) coating were immersed once a week for five min in remineralizing agents, followed by immersion to artificial saliva. Ion release was recorded after 3, 7, 14, 21 and 28 days. Pearson correlations and linear regression were used for statistical analysis. Release of Ni2+ from NiTi and NNiTi wires correlated highly linearly positively with HF (r=0.948 and 0.940, respectively); for RhNiTi the correlation was lower and negative (r=−0.605; p<0.05). The prediction of Ti4+ release was significant for NiTi (r=0.797) and NNiTi (r=0.788; p<0.05) wire. Association with F− was lower; for pH it was not significant. HF predicts the release of ions from the NiTi wires better than the pH and F− of the prophylactic agents.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Dental materials and restorations · Bone Tissue Engineering Materials · Dental Anxiety and Anesthesia Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Orthodontics, Faculty of Medicine, University of Rijeka
Department of Materials, Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb
Water Safety Department, Croatian National Institute of Public Health
Department of Pharmacology, School of Dental Medicine, University of Zagreb
Research Center for Metals in the Region of Istria —METRIS
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