Orthodontic Alloy Wires and Their Hypoallergenic Alternatives: Metal Ions Release in pH 6.6 and pH 5.5 Artificial Saliva

被引：1

作者：

Osmani, Zana Jusufi ^{[1
]}

Knezevic, Petra Tariba ^{[1
,2
]}

Vucinic, Davor ^{[1
,2
]}

Jakupi, Jetmire Alimani ^{[3
]}

Reka, Arianit A. ^{[4
]}

Can, Mustafa ^{[5
]}

Kara, Koray ^{[6
]}

Katic, Visnja ^{[1
,2
]}

机构：

[1] Univ Rijeka, Fac Dent Med, Rijeka 51000, Croatia

[2] Clin Hosp Ctr Rijeka, Rijeka 51000, Croatia

[3] Univ Tetovo, Fac Med Sci, Tetovo 1220, North Macedonia

[4] Univ Tetovo, Fac Nat Sci & Math, Dept Chem, Tetovo 1220, North Macedonia

[5] Izmir Katip Celebi Univ, Dept Engn Sci, TR-35620 Izmir, Turkiye

[6] Izmir Katip Celebi Univ, Graphene Applicat & Res Ctr, TR-35620 Izmir, Turkiye

来源：

MATERIALS | 2024年 / 17卷 / 21期

关键词：

corrosion; dental alloys; orthodontics; TITANIUM; NICKEL; CORROSION; SURFACE; FLUORIDE;

D O I：

10.3390/ma17215254

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Legislative framework addresses the issues of alloy corrosion, demanding the restricted use of probable carcinogenic, mutagenic, and toxic-for-human-reproduction (CMG) metals like nickel, cobalt, and chromium and demanding the development of new biomaterials. The aim of this research was to evaluate and compare the ion release of standard dental alloys and their hypoallergenic equivalents. Six types of orthodontic alloy wires (nickel-titanium (NiTi), coated NiTi, stainless steel (SS), Ni-free SS, and cobalt-chromium (CoCr) and titanium-molybdenum (TMA) were immersed into artificial saliva of pH 5.5 and 6.6. Release of metal ions was measured by inductively coupled plasma-mass spectrometry after 3, 7, 14 and 28 days. The data were analyzed using analysis of variance, and results with p < 0.05 were considered significant. NiTi released more Ti and Ni ions compared to the coated NiTi; SS released more iron, chromium, and nickel compared to the nickel-free SS. CoCr released cobalt in a high concentration and low amounts of chromium, nickel, and molybdenum compared to the molybdenum and titanium released by TMA. Release of metals from dental orthodontic alloys in vitro was overall lower at pH 6.6 and for the hypoallergenic equivalents when compared to standard dental alloys.

引用

页数：12

共 42 条

[41] In vivo determination of genotoxicity induced by metals from orthodontic appliances using micronucleus and comet assays [J].