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洗必泰和聚维酮碘漱口水对不锈钢正畸托槽耐腐蚀性和表面特性的影响——一项体外和体内研究。

Effect of Chlorhexidine and Povidone-iodine Mouth Rinses on Corrosion Resistance and Surface Characteristics of Stainless Steel Orthodontic Brackets - An and Study.

作者信息

Pugalendhi Ragul, Varma N K Sapna, Ghosh Parvathy, Ajith V V, Nair Deepika Jayakrishnan

机构信息

Department of Orthodontics and Dentofacial Orthopedics, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, Kochi, Kerala, India.

出版信息

Contemp Clin Dent. 2024 Jul-Sep;15(3):149-157. doi: 10.4103/ccd.ccd_433_23. Epub 2024 Sep 25.

DOI:10.4103/ccd.ccd_433_23
PMID:39512296
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11540201/
Abstract

BACKGROUND

Stainless steel (SS) orthodontic brackets may have varying corrosion resistance when used with mouthwashes during orthodontic treatment. Studying their effects on orthodontic brackets will be beneficial.

AIM

The study's objective was to analyze the surface characteristics of SS orthodontic brackets and their resistance to corrosion, exposed to chlorhexidine and povidone-iodine mouth rinses - an and study.

MATERIALS AND METHODS

The test: MBT 0.022" slot SS orthodontic brackets were immersed in three groups - Group A - Modified Meyer-Fusayama artificial saliva (AS), Group B - Chlorhexidine, and Group C - Povidone-iodine mouthwash. The test: Brackets were conventionally bonded on the patient's teeth and divided into Group I - control group, Group II - patients used chlorhexidine, and Group III used povidone-iodine mouth rinse. The corrosion resistance and surface characteristics of SS brackets were determined using scanning electron microscope (SEM), electrochemical impedance spectroscopy, and X-ray photoelectron spectroscopy.

RESULTS

Higher corrosion resistance was obtained for brackets immersed in chlorhexidine mouth rinse. The polarization resistance value of the orthodontic SS bracket was 109 MΩ, 1383 MΩ, and 769 MΩ immersed in AS, chlorhexidine, and povidone-iodine mouth rinse, respectively. After surface chemical analysis, XPS data showed the largest intensity peak of metallic chromium (CrO) fresh sample and in the sample immersed in chlorhexidine mouthwash. According to SEM, brackets immersed in chlorhexidine showed a relatively smooth surface.

CONCLUSION

In this study, chlorhexidine was found to be less corrosive followed by povidone-iodine.

摘要

背景

在正畸治疗期间，当不锈钢（SS）正畸托槽与漱口水一起使用时，其耐腐蚀性可能会有所不同。研究它们对正畸托槽的影响将是有益的。

目的

本研究的目的是分析暴露于洗必泰和聚维酮碘漱口水的SS正畸托槽的表面特性及其耐腐蚀性——一项[此处英文表述不完整，未明确具体是什么研究]研究。

材料与方法

浸泡试验：MBT 0.022英寸槽沟的SS正畸托槽被浸泡在三组中——A组——改良的迈耶-船山人工唾液（AS），B组——洗必泰，C组——聚维酮碘漱口水。临床应用试验：托槽常规粘结在患者牙齿上，并分为I组——对照组，II组——患者使用洗必泰，III组使用聚维酮碘漱口水。使用扫描电子显微镜（SEM）、电化学阻抗谱和X射线光电子能谱测定SS托槽的耐腐蚀性和表面特性。

结果

浸泡在洗必泰漱口水的托槽具有更高的耐腐蚀性。正畸SS托槽浸泡在AS、洗必泰和聚维酮碘漱口中的极化电阻值分别为109MΩ、1383MΩ和769MΩ。表面化学分析后，XPS数据显示新鲜样品和浸泡在洗必泰漱口水样品中的金属铬（CrO）强度峰值最大。根据SEM，浸泡在洗必泰中的托槽表面相对光滑。

结论

在本研究中，发现洗必泰的腐蚀性较小，其次是聚维酮碘。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c61b/11540201/a2da11b4a3ad/CCD-15-149-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c61b/11540201/9d39fa7c6677/CCD-15-149-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c61b/11540201/a24457676605/CCD-15-149-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c61b/11540201/5894a406ad06/CCD-15-149-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c61b/11540201/4fb346b4eb51/CCD-15-149-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c61b/11540201/a2da11b4a3ad/CCD-15-149-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c61b/11540201/9d39fa7c6677/CCD-15-149-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c61b/11540201/a24457676605/CCD-15-149-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c61b/11540201/5894a406ad06/CCD-15-149-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c61b/11540201/4fb346b4eb51/CCD-15-149-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c61b/11540201/a2da11b4a3ad/CCD-15-149-g006.jpg

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Can povidone iodine gargle/mouthrinse inactivate SARS-CoV-2 and decrease the risk of nosocomial and community transmission during the COVID-19 pandemic? An evidence-based update.在新冠疫情期间，聚维酮碘漱口/漱口水能否灭活新型冠状病毒并降低医院和社区传播风险？循证更新。
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Efficiency of Steel Corrosion Inhibitors in an Environment of Ethanol-Gasoline Blends.
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