Surface Treatment on Physical Properties and Biocompatibility of Orthodontic Power Chains

H. C. Cheng, M. S. Chen, B. Y. Peng, W. T. Lin, Y. K. Shen, Y. H. Wang

Research output: Contribution to journalArticle

Abstract

The conventional orthodontic power chain, often composed of polymer materials, has drawbacks such as a reduction of elasticity owing to water absorption as well as surface discoloration and staining resulting from food or beverages consumed by the patient. The goal of this study was to develop a surface treatment (nanoimprinting) for orthodontic power chains and to alleviate their shortcomings. A concave template (anodic alumina) was manufactured by anodization process using pure aluminum substrate by employing the nanoimprinting process. Convex nanopillars were fabricated on the surface of orthodontic power chains, resulting in surface treatment. Distinct parameters of the nanoimprinting process (e.g., imprinting temperature, imprinting pressure, imprinting time, and demolding temperature) were used to fabricate nanopillars on the surface of orthodontic power chains. The results of this study showed that the contact angle of the power chains became larger after surface treatment. In addition, the power chains changed from hydrophilic to hydrophobic. The power chain before surface treatment without water absorption had a water absorption rate of approximately 4%, whereas a modified chain had a water absorption rate of approximately 2%-4%. Furthermore, the color adhesion of the orthodontic power chains after surface modification was less than that before surface modification.

Original languageEnglish
Article number6343724
JournalBioMed Research International
Volume2017
DOIs
Publication statusPublished - 2017

Fingerprint

Orthodontics
Biocompatibility
Surface treatment
Physical properties
Water absorption
Water
Therapeutics
Food and Beverages
Temperature
Aluminum Oxide
Water Purification
Elasticity
Discoloration
Aluminum
Beverages
Polymers
Color
Contact angle
Staining and Labeling
Adhesion

ASJC Scopus subject areas

  • Immunology and Microbiology(all)
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

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title = "Surface Treatment on Physical Properties and Biocompatibility of Orthodontic Power Chains",
abstract = "The conventional orthodontic power chain, often composed of polymer materials, has drawbacks such as a reduction of elasticity owing to water absorption as well as surface discoloration and staining resulting from food or beverages consumed by the patient. The goal of this study was to develop a surface treatment (nanoimprinting) for orthodontic power chains and to alleviate their shortcomings. A concave template (anodic alumina) was manufactured by anodization process using pure aluminum substrate by employing the nanoimprinting process. Convex nanopillars were fabricated on the surface of orthodontic power chains, resulting in surface treatment. Distinct parameters of the nanoimprinting process (e.g., imprinting temperature, imprinting pressure, imprinting time, and demolding temperature) were used to fabricate nanopillars on the surface of orthodontic power chains. The results of this study showed that the contact angle of the power chains became larger after surface treatment. In addition, the power chains changed from hydrophilic to hydrophobic. The power chain before surface treatment without water absorption had a water absorption rate of approximately 4{\%}, whereas a modified chain had a water absorption rate of approximately 2{\%}-4{\%}. Furthermore, the color adhesion of the orthodontic power chains after surface modification was less than that before surface modification.",
author = "Cheng, {H. C.} and Chen, {M. S.} and Peng, {B. Y.} and Lin, {W. T.} and Shen, {Y. K.} and Wang, {Y. H.}",
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AU - Shen, Y. K.

AU - Wang, Y. H.

PY - 2017

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