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Toughening of dental glass ionomer cements with reactive glass fibres

Paper ID Volume ID Publish Year Pages File Format Full-Text
13321 850 2004 9 PDF Available
Title
Toughening of dental glass ionomer cements with reactive glass fibres
Abstract

A fibre reinforced glass ionomer cement (FRGIC) for dental applications was loaded with 20 vol% short fibres (430 μm) with a glass composition in the system SiO2–Al2O3–CaF2–Na3AlF6. The fracture toughness and the total energy release rate were examined. A 20% anisotropic fibre alignment was observed, perpendicular to the loading direction. An increase of fracture toughness of 140% and of total energy release rate of 440% was achieved compared to the unreinforced glass ionomer cement. Matrix–fibre interface reaction is supposed to exert the major influence on mechanical behaviour of FRGIC by controlling fibre pull-out and thus the total energy release rate.

Keywords
Toughness; Glass ionomer cement; Fibre reinforcement; Interface; Energy release rate; Fibre pull-out
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 25, Issue 22, October 2004, Pages 5217–5225
Authors
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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