Evaluation of Metallic Ion Release from Fixed Orthodontic Appliance in Two Different Mouthwashes and Distilled Water An In Vitro Study

Volume 8 , Issue 1 , June 2021 , Pages 61-66

Authors

Rawand A. Mahmood 1 ; Mahmoud K. Mohsin 1 ; Mansour H. Mohammad 1 ; Mohammed M. Shukr 2

1 Pedodontic, Orthodontic, and Preventive Dentistry Department, College of Dentistry, Hawler Medical University, Erbil, Iraq.

2 Dental Basic Sciences Department, College of Dentistry, Tishk International University, Erbil, Iraq.

DOI logo 10.17656/sdj.10131

Keywords

Abstract

Objectives: Biocompatibility is an essential requirement for orthodontic appliances, but it leaches metallic ions in the presence of saliva, prophylactic mouthwashes, and toothpaste. This study evaluates the amount of ion release from orthodontic brackets and archwires after immersing them in two different mouthwash and distilled water types.          

Methods: Twenty-four orthodontic sets for one mandibular quadrant, including (five brackets), one buccal tube, and a half of the required length of CuNiTi archwires for each set were used. The samples were dipped in Ortho Kin, Kin Forte, distilled water, and measurements were taken at two time points, first after twenty-four hours and second after two weeks. Distilled water was used as the control group. Then the amount of metallic ion release is evaluated by ICP (Inductively Coupled Plasma) spectroscopy.      

Results: Results showed that the highest concentration of metallic ion release was from samples containing Ortho Kin mouthwash (fluoridated) then the Kin Forte and distilled water.  

Conclusions: Fluoridated mouthwash caused more metallic ion release from orthodontic appliances than non-fluoridated mouthwash and distilled water. 

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