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The fabrication and properties of aesthetic FRP wires for use in orthodontics

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Abstract

Transparent or translucent fibre-reinforced polymeric wires have been produced in an attempt to reproduce the mechanical properties of the metallic wires in current use in orthodontics. Two methods were employed: mould polymerization, and hot-drawing. Both methods produced wires of 0.5 mm diameter. Two polymers were investigated, poly(methyl methacrylate) and epoxy resin, and these were filled with either long silane-coated alumina fibres or fibres made from CPSA glass. Whilst mould-polymerized wires showed a linear increase in Young's modulus with fibre content, they did not obey the rule of mixtures. However, the hot-drawn wires did, and they also demonstrated the rigidity, strength and good elastic recovery needed for use in orthodontics.

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Authors and Affiliations

  1. School of Dentistry,, Hokkaido University,, Sapporo, 060-8586,, Japan

    F. WATARI, S. YAMAGATA, T. IMAI & S. NAKAMURA

  2. Chiba Institute of Technology,, Narashino, Chiba, 275,, Japan

    M. KOBAYASHI

Authors
  1. F. WATARI
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  2. S. YAMAGATA
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  3. T. IMAI
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  4. S. NAKAMURA
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  5. M. KOBAYASHI
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WATARI, F., YAMAGATA, S., IMAI, T. et al. The fabrication and properties of aesthetic FRP wires for use in orthodontics. Journal of Materials Science 33, 5661–5664 (1998). https://doi.org/10.1023/A:1004484703341

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