Year : 2018  |  Volume : 10  |  Issue : 2  |  Page : 96-100

Effect of Orthodontic Sealant Containing Antimicrobial Selenium on the Shear Bond Strength of Orthodontic Bracket

Department of Orthodontics, Faculty of Dentistry, Universitas Gadjah Mada, Yogyakarta, Indonesia

Correspondence Address:
Dr. Ananto A Alhasyimi
Department of Orthodontics, Faculty of Dentistry, Universitas Gadjah Mada, Jl. Denta Sekip Utara, Bulaksumur, Yogyakarta 55281
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jofs.jofs_16_18

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Intoduction: Fixed orthodontic treatment has a high risk of enamel demineralization. Sealant containing selenium is a material that has been developed to prevent enamel demineralization and stated to be applicable as a primer bracket adhesion. Aim and Objective: This aim of this study was to investigate the shear bond strength (SBS) of an orthodontic bracket after application of sealant containing selenium as a primer. Materials and Methods: A total of 100 extracted human premolars were used in this study, which were randomly divided into two groups. Group I consisted of 50 teeth as the control group, to which a conventional primer (CP) was applied, whereas for group II comprising 50 teeth, a sealant containing selenium selenium primer (SP) was applied. SBS of the orthodontic brackets was measured using a universal testing machine. The adhesive remnant index (ARI) scores were calculated to determine the location of the bond failure using a stereomicroscope. A t test was used for analyzing the SBS data, whereas the Mann–Whitney test was used for analyzing the ARI scores. Results: There was no significant SBS difference (P > 0.05) between CP and SP groups. CP groups showed slightly higher SBS [9.05 ±3.10 megapascal (MPa)] than that in the SP groups (8.21 ± 3.78 MPa). The bond failures of both the groups occurred at the adhesive–adhesive interface. Conclusion: The results showed that sealant containing selenium can be used as a primer within orthodontic adhesive material, as the physical–mechanical properties remained unchanged.

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