Ghassen Kallel¹*, Amira Hassouna², Wiem Ben Amor³, Karima Dabbar1, Salah Mezlini⁴, Ines Dallel⁵, Samir Tobji⁵ and Adel Ben Amor⁶

¹1Resident, Department of Orthodontics, Dental Clinic of Monastir, Tunisia
²Assistant Professor, Department of Mechanical Engineering, National School of Engineers of Monastir, Tunisia
³Assistant Professor, Department of Orthodontics, Dental Clinic of Monastir, Tunisia
⁴Professor, Department of Mechanical Engineering, National School of Engineers of Monastir, Tunisia
⁵Professor, Department of Orthodontics, Dental Clinic of Monastir, Tunisia
⁶Professor and Head of Department, Department of Orthodontics, Dental Clinic of Monastir, Tunisia

*Corresponding Author: Ghassen Kallel, Resident, Department of Orthodontics, Dental Clinic of Monastir, Tunisia.

Received: September 13, 2023; Published: October 04, 2023

Abstract

Objective: This study aimed to assess and compare the impact of using ficin and two different concentrations of sodium hypochlorite (NaOCl) (0.5% and 5.25%) as deproteinizing agents on enamel surface before the application of phosphoric acid (H3PO4) etching, with a specific focus on their impact on the shear strength of orthodontic brackets.

Materials and Methods: TA total of 120 freshly extracted human premolars were randomly divided into four groups : group 1 (control) was treated with H3PO4, group 2 was treated with ficin followed by H3PO4, group 3 was treated with 0.5% NaOCl followed by H3PO4, and group 4 was treated with 5,25% NaOCl followed by H3PO4. The orthodontic brackets were then bonded with RELIANCE ® LIGHT BOND™, and all samples were subjected to shear bond strength evaluation using the EZ20 universal testing machine at a speed of 2 mm/min. The mode of failure was analyzed using the Adhesive Remnent Index (ARI). Statistical analysis was performed using one-way ANOVA followed by Tukey's Post Hoc multiple comparison test for shear bond strength.

Results: The mean shear resistance of groups 1,2,3 and 4 were 12,21 ± 1,94 MPa ; 18,11 ± 2,14 MPa ; 14,96 ± 2,27 MPa and 15,28 ± 3,13 MPa, respectively.

Conclusions: It can be recommended to add a deproteinization step of the enamel surface prior to acid etching in the overall procedure for bonding orthodontic attachments, using ficin or 0.5% sodium hypochlorite, which have proven to be new allies in orthodontic bonding.

Keywords: Ficin; Sodium Hypochlorite; Deproteinization; Orthodontic Brackets; Shear Bond Strength; Adhesif Remnant Index

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Citation

Citation: Ghassen Kallel., et al. “Effect of Ficin and Sodium Hypochlorite on Enamel Deproteinization Prior to Orthodontic Brackets Bonding : A Comparative Study". Acta Scientific Orthopaedics 6.11 (2023): 09-15.

Copyright

Copyright: © 2023 Ghassen Kallel., et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.