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Color schemes and biocompatibility of epoxy resin/polytetrafluorethylene coat on the surface of tini arth wires

  • Shao Ping*
  • , Feng Xue
  • , Sui Jie He
  • , Cai Wei
  • , Wang Tao
  • , Ma Wei
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Harbin Medical University

Research output: Contribution to journalArticlepeer-review

Abstract

In order to avoid the "metallic smile" appearance of metal wires when undergoing orthodontic treatment, epoxy resin/polytetrafluorethylene coating TiNi arch wires were made by dipping method. TiO2 and FeFe2O4 were chosen as dyes in order to match the color of teeth and the color schemes were fixed by spectrophotometer method. The biocompatibility of coating was also examined. The results showed that the cytotoxicity of the coating was grade I, and without mutagenesis and carcinogenesis. Skin sensitization assay showed no erythema or oedema response and epithelial was integrated according to mucous membrane irritation. Thus, good behavior in clinic can be anticipated.

Original languageEnglish
Pages (from-to)1578-1583
Number of pages6
JournalInternational Journal of Modern Physics B
Volume23
Issue number6-7
StatePublished - 20 Mar 2009

Keywords

  • Biocompatibility
  • Color scheme
  • Cytotoxicity
  • Mucous membrane irritation

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