In vitro aging of a heat/pressure-cured composite

Specimens of a heat/pressure-cured microfill composite were aged in saline or distilled water at 37°C up to 12 mon to determine if the flexure strength was affected by the aging media. No significant difference in the flexure strength was observed between the controls and the 12 mon aged specimens....

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Bibliographic Details
Published inDental materials Vol. 9; no. 3; pp. 214 - 216
Main Authors Drummond, J.L., Savers, E.E.
Format Journal Article
LanguageEnglish
Published England Elsevier Ltd 01.05.1993
Subjects
Analysis of Variance
Composite Resins - chemistry
Dentistry
Drug Stability
Drug Storage
Elasticity
Hot Temperature
Materials Testing
Microscopy, Electron, Scanning
Pressure
Silanes - chemistry
Surface Properties
Tensile Strength
Time Factors
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Summary:Specimens of a heat/pressure-cured microfill composite were aged in saline or distilled water at 37°C up to 12 mon to determine if the flexure strength was affected by the aging media. No significant difference in the flexure strength was observed between the controls and the 12 mon aged specimens. Cyclic testing in distilled water resulted in a lower flexure strength at fracture than that observed for the aged specimens. This lower strength is attributed to fatigue of the silane bond, the resin matrix, and/or the filler particles.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0109-5641
1879-0097
DOI:10.1016/0109-5641(93)90123-8