Effect of cusp coverage and water storage on compressive strength of composite restorations of premolars
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Effect of cusp coverage and water storage on compressive strength of composite restorations of premolars

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Effect of cusp coverage and water storage on compressive strength of composite restorations of premolars

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dc.contributor.author Emamieh, Shila es
dc.contributor.author Hojati, Parvaneh es
dc.contributor.author Ghasemi, Amir es
dc.contributor.author Torabzadeh, Hasan es
dc.date.accessioned 2018-05-23T09:27:03Z
dc.date.available 2018-05-23T09:27:03Z
dc.date.issued 2018 es
dc.identifier.uri http://hdl.handle.net/10550/66375
dc.description.abstract The aim of this study was to assess the effect of cusp coverage and water storage on compressive strength of composite restorations. This in vitro experimental study was conducted on 40 extracted human maxillary premolar teeth, which were randomly divided into four groups of 10. Mesio-occluso-distal (MOD) cavities were prepared in all teeth. The thickness of composite for cusp coverage was 1.5 mm in groups 1 and 3 and 2.5 mm in groups 2 and 4. Compressive strength (CS) was measured after 24 hours in groups 1 and 2 and after six months of water storage in groups 3 and 4. Two-way ANOVA was used to statistically analyze the data. The mean and standard error (SE) of compressive strength was 795.23 ± 35.18N in Group 1, 1232.52 ± 78.01N in Group 2, 617.18 ± 40.19N in Group 3 and 963.22 ± 50.05N in Group 4. Statistical analysis showed a significant difference in compressive strength measured after 24 hours (groups 1 and 3) and after six months of water storage (groups 2 and 4). The compressive strength of groups with 2.5 mm cusp coverage was significantly greater than that of groups with 1.5 mm cusp coverage. es
dc.source Emamieh, Shila ; Hojati, Parvaneh ; Ghasemi, Amir ; Torabzadeh, Hasan. Effect of cusp coverage and water storage on compressive strength of composite restorations of premolars. En: Journal of Clinical and Experimental Dentistry, 10 4 2018: 341-345 es
dc.title Effect of cusp coverage and water storage on compressive strength of composite restorations of premolars es
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.54668 es

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