Effect of Different Forms of Fluoride Application on Surface Roughness of Rhodium-Coated NiTi Orthodontic Wires: A Clinical Trial.

Q3 Dentistry
Masoud Khanloghi, Sedigheh Sheikhzadeh, Soraya Khafri, Maysam Mirzaie
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Abstract

Objectives: This study aimed to assess the effect of different forms of fluoride application on surface roughness of rhodium-coated nickel-titanium (NiTi) orthodontic wires. Materials and Methods: This randomized clinical trial was conducted on 15 patients randomly divided into three groups: toothbrush with Oral-B toothpaste only, Oral-B toothpaste, and daily mouthwash, Oral-B toothpaste, and sodium fluoride gel. The surface roughness indices of orthodontic wires including arithmetic mean height (Sa), root mean square height, root mean square gradient, developed interfacial area ratio (Sdr) and maximum surface height were measured by atomic force microscopy at baseline and after 6 weeks of application in the patients' mouths. Data were analyzed by paired t-test, ANOVA, Games-Howell, and Tukey-HSD tests (P<0.05). Results: All surface roughness parameters in all three groups showed a significant increase after intervention, except for Sa in the toothpaste-only group (P=0.057) and Sdr in the sodium fluoride gel group (P=0.064). Conclusion: The surface roughness of rhodium-coated NiTi orthodontic wires increases following the use of different forms of fluoride.

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不同形式氟化物对镀铑镍钛正畸丝表面粗糙度影响的临床试验
目的:研究不同形式的氟化物对镀铑镍钛(NiTi)正畸线表面粗糙度的影响。材料与方法:将15例患者随机分为3组:仅含Oral-B牙膏的牙刷组、Oral-B牙膏组、每日漱口水组、Oral-B牙膏组、氟化钠凝胶组。应用原子力显微镜测定正畸丝在基线及使用6周后的算术平均高度Sa、均方根高度、均方根梯度、发育界面面积比Sdr、最大表面高度等表面粗糙度指标。采用配对t检验、方差分析、game - howell检验和Tukey-HSD检验对数据进行分析(结果:除牙膏组的Sa (P=0.057)和氟化钠凝胶组的Sdr (P=0.064)外,三组患者的表面粗糙度参数均在干预后显著升高。结论:使用不同形式的氟化物后,镀铑镍钛正畸线的表面粗糙度增加。
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来源期刊
Frontiers in Dentistry
Frontiers in Dentistry Dentistry-General Dentistry
CiteScore
1.00
自引率
0.00%
发文量
34
审稿时长
12 weeks
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