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Article: A new approach to cure and reinforce cold-cured acrylics

TitleA new approach to cure and reinforce cold-cured acrylics
Authors
KeywordsCold-cured acrylics
Denture based materials
E-glass fibers
Fiber-acrylic mixing method
Microwave irradiation
Issue Date2012
PublisherSpringer Netherlands. The Journal's web site is located at http://www.springer.com/chemistry/inorganic/journal/12633
Citation
Silicon, 2012, v. 4 n. 3, p. 209-220 How to Cite?
AbstractPurpose: The low degree of polymerization of cold-cured acrylics has resulted in inferior mechanical properties and fracture vulnerability in orthodontics removable appliances. Methods: In this study, the effect of reinforcement by various concentrations of chopped E-glass fibers (0%, 1%, 2%, 3% and 5% by weight of resin powder) and post-curing microwave irradiation (800 W for 3 min) on the flexural strength of cold-cured acrylics was evaluated at various storage conditions (at room temperature for 1 day and 7 days; at water storage for 7, 14 and 30 days). Results: The data was analyzed by using 1-way and 2-way ANOVA, and a Tukey post hoc test (α = .05). The specimens with chopped E-glass fibers treated with post-curing microwave irradiation significantly increased the flexural strength of cold-cured PMMA. The optimal concentration might be 2% fibers under irradiation. Conclusions: The exhibited reinforcement effect lasted in a consistent trend for 14 days in water storage. A new fiber-acrylic mixing method was also developed. © 2012 The Author(s).
Persistent Identifierhttp://hdl.handle.net/10722/152596
ISSN
2015 Impact Factor: 0.86
2015 SCImago Journal Rankings: 0.349
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorSo, YCen_US
dc.contributor.authorTsoi, JKHen_US
dc.contributor.authorMatinlinna, JPen_US
dc.date.accessioned2012-07-16T09:43:39Z-
dc.date.available2012-07-16T09:43:39Z-
dc.date.issued2012en_US
dc.identifier.citationSilicon, 2012, v. 4 n. 3, p. 209-220en_US
dc.identifier.issn1876-990X-
dc.identifier.urihttp://hdl.handle.net/10722/152596-
dc.description.abstractPurpose: The low degree of polymerization of cold-cured acrylics has resulted in inferior mechanical properties and fracture vulnerability in orthodontics removable appliances. Methods: In this study, the effect of reinforcement by various concentrations of chopped E-glass fibers (0%, 1%, 2%, 3% and 5% by weight of resin powder) and post-curing microwave irradiation (800 W for 3 min) on the flexural strength of cold-cured acrylics was evaluated at various storage conditions (at room temperature for 1 day and 7 days; at water storage for 7, 14 and 30 days). Results: The data was analyzed by using 1-way and 2-way ANOVA, and a Tukey post hoc test (α = .05). The specimens with chopped E-glass fibers treated with post-curing microwave irradiation significantly increased the flexural strength of cold-cured PMMA. The optimal concentration might be 2% fibers under irradiation. Conclusions: The exhibited reinforcement effect lasted in a consistent trend for 14 days in water storage. A new fiber-acrylic mixing method was also developed. © 2012 The Author(s).-
dc.languageengen_US
dc.publisherSpringer Netherlands. The Journal's web site is located at http://www.springer.com/chemistry/inorganic/journal/12633-
dc.relation.ispartofSiliconen_US
dc.rightsThe original publication is available at www.springerlink.com-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectCold-cured acrylics-
dc.subjectDenture based materials-
dc.subjectE-glass fibers-
dc.subjectFiber-acrylic mixing method-
dc.subjectMicrowave irradiation-
dc.titleA new approach to cure and reinforce cold-cured acrylicsen_US
dc.typeArticleen_US
dc.identifier.emailTsoi, JKH: jkhtsoi@hkucc.hku.hken_US
dc.identifier.emailMatinlinna, JP: jpmat@hku.hken_US
dc.identifier.authorityMatinlinna, JP=rp00052en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1007/s12633-012-9124-0-
dc.identifier.scopuseid_2-s2.0-84865779946-
dc.identifier.hkuros201181en_US
dc.identifier.volume4-
dc.identifier.issue3-
dc.identifier.spage209-
dc.identifier.epage220-
dc.identifier.isiWOS:000310015000008-
dc.publisher.placeNetherlands-
dc.identifier.scopusauthoridSo, YC=55224718300-
dc.identifier.scopusauthoridTsoi, JKH=55224859500-
dc.identifier.scopusauthoridMatinlinna, JP=6602419428-

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