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Functional Coatings for Orthodontic Archwires-A Review
Justyna Bącela1, Magdalena Beata Łabowska1, Jerzy Detyna1
1Department of Mechanics, Materials and Biomedical Engineering, Faculty of Mechanical Engineering, Wrocław University of Science and Technology, Smoluchowskiego 25, 50-372 Wrocław, Poland.
Materials (Basel, Switzerland)
|July 26, 2020
Summary
Functional coatings on orthodontic archwires enhance antimicrobial and mechanical properties, addressing oral environment challenges and patient sensitivities like nickel allergies. Further research aims to improve coating techniques for better results.
Area of Science:
- Biomaterials Science
- Orthodontics
- Surface Engineering
Background:
- Orthodontic appliances face harsh oral conditions, leading to friction and biocorrosion.
- Growing demand for orthodontic treatments necessitates innovative functional coatings.
- Metal hypersensitivity, particularly to nickel, is a concern for some patients.
Purpose of the Study:
- To review the current state-of-the-art in coatings for orthodontic archwires.
- To analyze the impact of coatings on antimicrobial and mechanical properties.
- To explore solutions for friction, corrosion, and bacterial adhesion in orthodontic appliances.
Main Methods:
- Literature review of in vitro and in vivo studies.
- Analysis of functional coatings, including nanoparticles of silver and nitrogen-doped TiO2.
- Examination of surface topography, friction, corrosion resistance, and antimicrobial properties.
Main Results:
- Functional coatings show promise in improving antimicrobial and mechanical characteristics.
- Additives like silver nanoparticles and nitrogen-doped TiO2 influence antimicrobial properties.
- Existing coatings are clinically acceptable but require further development for optimal performance.
Conclusions:
- Improved coating techniques and modified archwire compositions can reduce nickel ion release.
- Addressing friction and bacterial adhesion is crucial for enhanced orthodontic treatment.
- Further research is needed to fully optimize functional coatings for orthodontic applications.
