AI Article Synopsis
- The study aimed to analyze the frictional properties, surface morphology, and load deflection rates of two new types of coated orthodontic archwires (TiAlN and WC/C) using in vitro methods.
- The findings revealed that WC/C coated archwires had significantly lower friction compared to both the uncoated and TiAlN coated archwires, with no major surface changes after testing.
- Additionally, both types of coated archwires showed lower load deflection rates, with WC/C coated ones recommended for improved efficiency in orthodontic treatments.
Article Abstract
Objective: To determine in vitro the frictional properties, surface morphology, and load deflection rate with looped designs of two newly developed titanium aluminum nitride (TiAlN) and tungsten carbide/carbon (WC/C) physical vapor deposition (PVD) coated beta titanium orthodontic archwires coated with PVD.
Materials And Methods: Frictional properties with Tidy's protocol, surface evaluation before and after friction testing with the help of scanning electron microscopy (ESEM), and load deflection rate with different orthodontic loops on Instron universal testing machine were evaluated.
Results: The results clearly indicate reduced frictional properties for WC/C coated archwires when compared with uncoated and TiAlN coated archwires. There were no significant surface alterations upon ESEM evaluation of friction tested archwires. Low load deflection rate was exhibited by both coated archwires, the difference in load deflection rate between the coated and uncoated archwires was statistically significant.
Conclusion: WC/C coated wires can be recommended for even sliding mechanics due to reduced frictional properties, better surface characteristics, and low load deflection rate compared with TiAlN coated and uncoated archwires.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8881040 | PMC |
| http://dx.doi.org/10.2319/040811-251.1 | DOI Listing |
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