Bulletin of Stomatology and Maxillofacial Surgery
ISSN 1829-006X
2025; 24–29
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STRUCTURAL EVALUATION OF CHITOSAN-BIOACTIVE GLASS COATING ON WE43 MAGNESIUM ALLOY: A PRELIMINARY IN VITRO STUDY

Sneha Devarakonda*, Aravind Subramanian

Department of Orthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India · Head of the Department, Department of Orthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India.

Received: 2026-04-08 · Published: 2025-07-15

© 2025 The Author(s) and the original publisher.

CC BY-NC 4.0 This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
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Original title
STRUCTURAL EVALUATION OF CHITOSAN-BIOACTIVE GLASS COATING ON WE43 MAGNESIUM ALLOY: A PRELIMINARY IN VITRO STUDY
Authors
Sneha Devarakonda, Aravind Subramanian
Source journal
Bulletin of Stomatology and Maxillofacial Surgery
Published
2025-07-15
Licence
Creative Commons Attribution-NonCommercial 4.0 International
Original
https://doi.org/10.58240/1829006X-2025.21.6-24

Abstract

Background: Orthodontic mini implants are conventionally made from materials such as Titanium, Stainless steel Cobalt-Chromium alloys, ect.This study was conducted to evaluate the displacement of anterior teeth when using three different mini-implant materials for direct anchorage in a Finite Element Model. Methods and Materials: A Cone beam computed tomography (CBCT) of maxillary arch was used to generate a 3 Dimensional model. The position of the mini-implant was planned between the roots of the second premolar and molar to provide anchorage for anterior retraction. The force levels were simulated at 250g per side. Three Finite element models were generated for the use of different mini implant materials- I: Titanium (Ti6Al4V), II: Stainless steel, III: Magnesium alloy (WE43 alloy). Results: In the sagittal and vertical plane, the greatest anterior tooth movement was seen using Magnesium, followed by Titanium, and least with Stainless steel. In case of posterior teeth, all three groups presented in the same range of minimal movement, in sagittal and vertical planes. Conclusion:The simulation of retraction of anterior teeth using Finite Element Modelling allows a standardized simulation of biomechanical outcomes. Further clinical and invitro studies can correlate the findings of this simulation.
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