| Influence of shade and light-curing distance on the degree of conversion and flexural strength of a dual-cure core build-up resin composite. | |
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MedLine Citation:
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PMID: 22779283 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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PURPOSE: To investigate the influence of shade and light-curing distance on the degree of conversion (DC) and flexural strength (FS) of a dual-cure core build-up resin composite. METHODS: 135 specimens were prepared and divided into three main groups according to the shade of the composite core material; dentin, blue and white shades. Each group was further subdivided into three subgroups according to the light-curing distance; 0 mm, 3 mm and 5 mm. The DC was measured using FTIR spectrometer. For testing the FS, the mini flexural test specimens were prepared and subjected to three point bending test in a universal testing machine. The results were analyzed using two-way and one-way ANOVA followed by Duncan's Multiple Range Test. The significance level was set at P = 0.05. RESULTS: Both the DC and FS of the dual-cure core build-up material used in this study were influenced by the shade of the material and the light-curing distance. The blue shade exhibited the highest percentage DC values while the white shade revealed the lowest percentage DC. The dentin shade at 0 mm light-curing distance exhibited the highest mean FS value; however the 3 mm and 5 mm light-curing distance of the white shade showed the lowest mean FS values. |
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Authors:
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Farid S El-Askary; Dalia I El-Korashy |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: American journal of dentistry Volume: 25 ISSN: 0894-8275 ISO Abbreviation: Am J Dent Publication Date: 2012 Apr |
Date Detail:
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Created Date: 2012-07-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8806701 Medline TA: Am J Dent Country: United States |
Other Details:
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Languages: eng Pagination: 97-102 Citation Subset: D |
Affiliation:
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Department of Operative Dentistry, Ain-shams University, Nasr City, Cairo, Egypt. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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