Nalazite se na CroRIS probnoj okolini. Ovdje evidentirani podaci neće biti pohranjeni u Informacijskom sustavu znanosti RH. Ako je ovo greška, CroRIS produkcijskoj okolini moguće je pristupi putem poveznice www.croris.hr
izvor podataka: crosbi

Determination of corrosion rate of orthodontic wires based on nickel-titanium alloy in artificial saliva (CROSBI ID 204624)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Katić, Višnja ; Ćurković, Lidija ; Ujević Bošnjak, Magdalena ; Špalj, Stjepan Determination of corrosion rate of orthodontic wires based on nickel-titanium alloy in artificial saliva // Materialwissenschaft und Werkstofftechnik, 45 (2014), 2; 99-105. doi: 10.1002/mawe.201400201

Podaci o odgovornosti

Katić, Višnja ; Ćurković, Lidija ; Ujević Bošnjak, Magdalena ; Špalj, Stjepan

engleski

Determination of corrosion rate of orthodontic wires based on nickel-titanium alloy in artificial saliva

The goal of this study was to determine corrosion behavior of three orthodontic wires based on nickel-titanium alloy (NiTi) in artificial saliva at temperature of 37 °C as function of immersion time. Following orthodontic wires were used: uncoated (NiTi), rhodium coated (Rh NiTi) and nitrified (N NiTi) orthodontic wires. Corrosion of investigated orthodontic wires were monitored by measuring of Ni2+ and Ti4+ ions released in artificial saliva by inductively coupled plasma- optical emission spectroscopy (ICP-OES) after 3, 7, 14, 21 and 28 days of immersion. Obtained results indicate that corrosion reaction of the NiTi wires in artificial saliva follows the parabolic rate law. According to the obtained values of parabolic corrosion rate constants, corrosion susceptibility of orthodontic wires decreases in the following order: Rh NiTi wire (Kp = 2.48 μg2/cm4 h) > NiTi wire (Kp = 1.6 × 10–3 μg2/cm4 h) > N NiTi wire (Kp = 6.0 × 10–4 μg2/cm4 h). These results indicate that in comparison with uncoated NiTi wire, rhodium coating significantly increases corrosion susceptibility, while nitrification effectively suppresses the release of Ni2+ and Ti4+ ions.

NiTi orthodontic wires ; corrosion rate ; inductively coupled plasma-optical emission spectroscopy (ICP-OES)

Rad izrađen u sklopu projekta Sveučilišta u Rijeci 13.06.2.1.53

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

Podaci o izdanju

45 (2)

2014.

99-105

objavljeno

0933-5137

1521-4052

10.1002/mawe.201400201

Povezanost rada

Dentalna medicina, Kemija, Strojarstvo

Poveznice
Indeksiranost