EdenteV2, Main, Exploration, bibRecord, 00A656

Viscoelastic and adherence properties of dental relining materials

Identifieur interne : 00A656 ( Main/Exploration ); précédent : 00A655; suivant : 00A657

Viscoelastic and adherence properties of dental relining materials

Auteurs : D. Buch [France] ; D. Wehbi [France] ; C. Roques-Carmes [France]

Source :

Journal of Biomedical Materials Research [ 0021-9304 ] ; 1995-07.

RBID : ISTEX:CF344D9EA9726D9AF9A25D12F11F7FD8B159AD8A

English descriptors

KwdEn :
- Acrylic materials, Acrylic resin, Adherence properties, Black diagram, Complex modulus, Complex number, Copolymer, Corresponding diagram, Crack propagation, Dental surgeons, Dental surgery, Denture, Descriptive coefficient, Dmps, Elastic materials, Experimental data, Experimental results, Gingival tissue, High temperatures, High values, Imaginary part, Loss modulus, Modulus, Noninteger, Noninteger exponent, Nonlinear zener model, Phase angle, Pmma, Polymethyl methacrylate, Proprietes viscoelastiques, Prosthetic, Prosthetic intrados, Prosthetic structure, Prosthetic structures, Real part, Relining, Relining materials, Research unit, Rubberlike behavior, Shape factor, Soft relining, Stiffness, Storage modulus, Superposition principle, Temperature range, Viscoelastic, Viscoelastic behavior, Viscoelastic losses, Viscoelastic material, Viscoelastic materials, Viscoelastic properties, Viscoelastic tests, Zener.
Teeft :
- Acrylic materials, Acrylic resin, Adherence properties, Black diagram, Complex modulus, Complex number, Copolymer, Corresponding diagram, Crack propagation, Dental surgeons, Dental surgery, Denture, Descriptive coefficient, Dmps, Elastic materials, Experimental data, Experimental results, Gingival tissue, High temperatures, High values, Imaginary part, Loss modulus, Modulus, Noninteger, Noninteger exponent, Nonlinear zener model, Phase angle, Pmma, Polymethyl methacrylate, Proprietes viscoelastiques, Prosthetic, Prosthetic intrados, Prosthetic structure, Prosthetic structures, Real part, Relining, Relining materials, Research unit, Rubberlike behavior, Shape factor, Soft relining, Stiffness, Storage modulus, Superposition principle, Temperature range, Viscoelastic, Viscoelastic behavior, Viscoelastic losses, Viscoelastic material, Viscoelastic materials, Viscoelastic properties, Viscoelastic tests, Zener.

Abstract

The viscoelastic properties of three classes of soft relining materials (acrylic resins, silicones, and EVA copolymers) were studied comparatively. Their behaviors were investigated by in vitro tests at a frequency ω = 1 Hz, which simulates the masticatory cycle. The experimental parameter was the temperature (T). Black graphs giving the variations of the stiffness K—proportional to the complex viscoelastic modulus E*(T)ω—according to the phase angle δ, were used for a predictive approach to increase the comfort of removable dentures. Cole–Cole diagrams, describing the variation of the loss modulus E″(T)ω in relation to the storage modulus E′(T)ω additionally provide quantitative data. The values obtained were related to the noninteger parameter h used for modelization of the viscoelastic behavior of the materials by means of nonlinear Zener models. An attempt was made to correlate the experimental data to the viscoelastic energy loss observed when instability of the prosthetic structure occurs. This attempt takes into account the formation of “cracks” (areas of inadaptation) between the prosthetic intrados and the mucosa. © 1995 John Wiley & Sons, Inc.

Url:

https://api.istex.fr/document/CF344D9EA9726D9AF9A25D12F11F7FD8B159AD8A/fulltext/pdf

DOI: 10.1002/jbm.820290710

Affiliations:

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Le document en format XML

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<term>Complex number</term>
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<term>Corresponding diagram</term>
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<front><div type="abstract" xml:lang="en">The viscoelastic properties of three classes of soft relining materials (acrylic resins, silicones, and EVA copolymers) were studied comparatively. Their behaviors were investigated by in vitro tests at a frequency ω = 1 Hz, which simulates the masticatory cycle. The experimental parameter was the temperature (T). Black graphs giving the variations of the stiffness K—proportional to the complex viscoelastic modulus E*(T)ω—according to the phase angle δ, were used for a predictive approach to increase the comfort of removable dentures. Cole–Cole diagrams, describing the variation of the loss modulus E″(T)ω in relation to the storage modulus E′(T)ω additionally provide quantitative data. The values obtained were related to the noninteger parameter h used for modelization of the viscoelastic behavior of the materials by means of nonlinear Zener models. An attempt was made to correlate the experimental data to the viscoelastic energy loss observed when instability of the prosthetic structure occurs. This attempt takes into account the formation of “cracks” (areas of inadaptation) between the prosthetic intrados and the mucosa. © 1995 John Wiley & Sons, Inc.</div>
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Viscoelastic and adherence properties of dental relining materials

Viscoelastic and adherence properties of dental relining materials

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

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Pour manipuler ce document sous Unix (Dilib)

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