Orthodontic treatment carries the risk of major complications such as enamel demineralization, tooth decay, gingivitis, and periodontal damage. A large number of elements of fixed orthodontic appliance results in the creation of additional plaque retention sites which increase the risk of biofilm creation. Modification of the surface of orthodontic elements may prevent the formation of bacterial biofilm. In this paper, surface modification of stainless steel orthodontic wires with TiO₂: Ag was carried out by the sol-gel thin film dip-coating method. To obtain the anatase crystal structure, substrates were calcined for 2 h at 500 °C. The properties of the obtained coatings were investigated using scanning electron microscopy, X-ray diffraction, and electrochemical tests. Corrosion studies were performed in a Ringer’s solution, which simulated physiological solution. SEM and XRD analyses of the coated surface confirmed the presence of Ag nanoparticles which may have antimicrobial potential.

中文翻译：

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TiO2:Ag涂层改善不锈钢正畸弓丝性能

正畸治疗会带来重大并发症的风险，例如牙釉质脱矿、蛀牙、牙龈炎和牙周损伤。固定正畸矫治器的大量元件会导致产生额外的牙菌斑保留位点，从而增加生物膜形成的风险。正畸元件表面的改性可以防止细菌生物膜的形成。本文采用TiO ₂对不锈钢正畸丝进行表面改性：Ag通过溶胶-凝胶薄膜浸涂法进行。为了获得锐钛矿晶体结构，将底物在 500°C 下煅烧 2 小时。使用扫描电子显微镜、X 射线衍射和电化学测试研究了所得涂层的性能。腐蚀研究在模拟生理溶液的林格溶液中进行。涂层表面的 SEM 和 XRD 分析证实了可能具有抗菌潜力的 Ag 纳米粒子的存在。