Dynamic viscoelastic properties and the age changes of long-term soft denture liners

Biomaterials 21 巻 14 号 1421-1427 頁 2000-07 発行
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タイトル ( eng )
Dynamic viscoelastic properties and the age changes of long-term soft denture liners
作成者
Murata Hiroshi
Hamada Taizo
McCabe John F.
収録物名
Biomaterials
21
14
開始ページ 1421
終了ページ 1427
抄録
The dynamic viscoelastic properties of long-term soft denture liners were measured over a wide range of frequencies using a dynamic viscoelastometer based on a non-resonance-forced vibration principle. Changes in properties over a 3 yr period have also been monitored. One acrylic material, one fluoroelastomer, one heat cured silicone and one self-curing addition silicone were used. Complex dynamic tensile modulus (E*), tensile storage modulus (E′), tensile loss modulus (E″) and loss tangent (tan δ) were determined over the frequency range from 0.01 to 100 Hz on administration of a 0.27(null)train at 37°C. The dynamic viscoelasticity of the acrylic and fluoroelastomer products was more sensitive to changes in frequency than that of silicone products. The acrylic material and fluoroelastomer exhibited viscoelastic behaviour whilst silicones exhibited elastic behaviour. The silicone products remained unchanged after soaking for 3 yr whilst the acrylic and fluoroelastomer products underwent significant change.
著者キーワード
Soft denture liners
Dynamic viscoelasticity
Frequency
Age changes
Non-resonance-forced vibration method
言語
英語
資源タイプ 学術雑誌論文
出版者
Elsevier
発行日 2000-07
権利情報
Copyright (c) 2000 Elsevier Science B.V.
出版タイプ Author’s Original(十分な品質であるとして、著者から正式な査読に提出される版)
アクセス権 オープンアクセス
収録物識別子
[ISSN] 0142-9612
[DOI] 10.1016/S0142-9612(00)00010-7
[PMID] 10872771
[NCID] AA00110092
[DOI] http://dx.doi.org/10.1016/S0142-9612(00)00010-7