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Mechanical properties and aesthetics of FRP orthodontic wire fabricated by hot drawing

Paper ID Volume ID Publish Year Pages File Format Full-Text
13853 924 1998 6 PDF Available
Title
Mechanical properties and aesthetics of FRP orthodontic wire fabricated by hot drawing
Abstract

The FRP wires 0.5 mm in diameter with a multiple fiber structure were fabricated by drawing the fiber–polymer complex at 250°C for an esthetic, transparent orthodontic wire. Biocompatible CaO–P2O5–SiO2–Al2O3 (CPSA) glass fibers of 8–20 μm in diameter were oriented unidirectionally in the longitudinal direction in PMMA matrix. The mechanical properties were investigated by 3-point flexural test. The FRP wire showed sufficient strength and a very good elastic recovery after deformation. Young’s modulus and the flexural load at deflection 1 mm were nearly independent of the fiber diameter and linearly increased with the fiber fraction. The dependence on fiber fraction obeys well the rule of mixture. This FRP wire could cover the range of strength corresponding to the conventional metal orthodontic wires from Ni–Ti used in the initial stage of orthodontic treatments to Co–Cr used in the final stage by changing the volume ratio of glass fibers with the same external diameter. The estheticity in external appearance was excellent. Thus the new FRP wire can satisfy both mechanical properties necessary for an orthodontic wire and enough estheticity, which was not possible for the conventional metal wire.

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Mechanical properties and aesthetics of FRP orthodontic wire fabricated by hot drawing
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 19, Issue 23, December 1998, Pages 2195-2200
Authors
Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us