Evaluation of the effect of three mouthwashes on the mechanical properties and surface morphology of several orthodontic wires: An in vitro study

Aghili, H. and Yassaei, S. and Eslami, F. (2017) Evaluation of the effect of three mouthwashes on the mechanical properties and surface morphology of several orthodontic wires: An in vitro study. Dental Research Journal, 14 (4). pp. 252-259.

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Abstract

Background: The aim of this study was to evaluate and compare the changes in the mechanical properties and surface morphology of different orthodontic wires after immersion in three mouthwash solutions. Materials and Methods: In this in vitro study, five specimens of each of 0.016 inch nickel titanium (NiTi), coated NiTi, and stainless steel orthodontic wires were selected. The specimens were immersed in 0.05 sodium fluoride (NaF), 0.2 chlorhexidine, Zataria multiflora extract, and distilled water (control) for 1.5 h at 37°C. After immersion, loading and unloading forces at 0.5 mm intervals and the elastic modulus (E) of the wires were measured using a three-point bending test. Surface changes were observed with a scanning electron microscope (SEM). Two-way analysis of variance and Bonferroni tests were used to compare the properties of the wires. The level of significance was set at 0.05. Results: Statistically significant changes in loading and unloading forces and E of the orthodontic wires were observed after immersion in different mouthwash solutions (P < 0.05). A pairwise comparison showed a nonsignificant difference between the effect of different mouthwashes on the E of different types of wires (P > 0.05). SEM images showed surface changes in some types ofthe orthodontic wires. Conclusion: The mouthwashes used in this study seemed to change the mechanical properties and surface quality of the orthodontic wires. © 2017 Dental Research Journal.

Item Type: Article
Additional Information: Cited By :2 Export Date: 16 February 2020 Correspondence Address: Eslami, F.; Department of Orthodontics, Dental Research Center, School of Dentistry, Mashhad University of Medical Sciences, P.O. Box 91735, Iran; email: farzaeh.eslami@yahoo.com
Uncontrolled Keywords: Elastic modulus Mechanical processes Mouthwashes Orthodontic wire
Subjects: WU Dentistry. Oral surgery
Divisions: Mashhad University of Medical Sciences
Depositing User: mr lib3 lib3
Date Deposited: 13 May 2020 05:56
Last Modified: 13 May 2020 05:56
URI: http://eprints.mums.ac.ir/id/eprint/16729

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