Surface and bulk properties of dental resin- composites after solvent storage

Sunbul, Hanan Al; Silikas, Nick; Watts, David C.

doi:10.1016/j.dental.2016.05.007

Cited by 63 publications

(68 citation statements)

References 64 publications

(127 reference statements)

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“…However, the degradation was higher in MEK for both composite resins with significant value in SureFill. The same trend has been encountered during testing of viscoelastic stability, expressed by creep parameters, of different composite resins by Marghalani and Watts 2013 [5], the flexural properties of bulk fill composites by Marghalani 2015 [2], and finally the hardness and diametral tensile strength of bulk fill composites by Sunbul et al 2016 [24]. Hence, this behavior could be considered an indication of the higher resemblance of the solubility parameters of MEK and the dimethacrylate monomer systems of the tested composite resins than in case of E. Therefore the assumption that MEK would be an efficient alternative for E in assessment of crosslink density is accepted.…”

Section: Discussionmentioning

confidence: 59%

Food Simulating Organic Solvents for Evaluating Crosslink Density of Bulk Fill Composite Resin

Ayad

Bahgat

Kaba

et al. 2017

International Journal of Dentistry

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Objectives. To evaluate crosslink densities of two bulk fill composite resins and determine if the used Food Simulating Organic Solvent (FSOS) affected them. Methods. Forty specimens were prepared from SureFill and SonicFill bulk fill composite resins, 20 each. All specimens were stored dry for 24 h. Each group was divided into 2 subgroups: stored in ethanol (E) 75% or in methyl ethyl ketone (MEK) 100% for 24 h. Crosslink density was evaluated by calculating the difference between the Vickers hardness numbers of the specimens stored dry and after their storage in FSOS. The data were statistically analyzed using t-test. Results. The means of crosslink density in E and MEK were 6.99% and 9.44% for SureFill and 10.54% and 11.92% for SonicFill, respectively. t-test displayed significant differences between crosslink densities of SureFill and SonicFill: (P < 0.0001) in E and (P = 0.02) in MEK and between crosslink densities of SureFill in E and MEK (P = 0.02). Conclusions. Crosslink density of bulk fill composite resin can be evaluated using E or MEK. SureFill has higher crosslink density than SonicFill in both E and MEK.

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Section: Discussionmentioning

confidence: 59%

Food Simulating Organic Solvents for Evaluating Crosslink Density of Bulk Fill Composite Resin

Ayad

Bahgat

Kaba

et al. 2017

International Journal of Dentistry

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“…Additionally, microhardness is considered a strong indication to the degree of conversion of the material. Accordingly, measuring the surface microhardness could be a method of determining the longevity and the service life of the direct resin‐based restorations . Al Sunbul et al.…”

Section: Resultsmentioning

confidence: 99%

Short fiber‐reinforced composite restorations: A review of the current literature

Garoushi

Gargoum

Vallittu

et al. 2018

J of Invest & Clin Dent

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A newly-recommended method for restoring large cavities is the biomimetic approach of using short fiber-reinforced composite (SFRC) as dentine-replacing material. The aim of the current review was to present an overview of SFRC and to give the clinician a detailed understanding of this new material and treatment strategy based on available-literature review. A thorough literature search was done up to December 2017. The range of relevant publications was surveyed using PubMed and Google Scholar. From the search results, articles related to our search terms were only considered. The search terms used were "short fiber-reinforced composite", "everX posterior", and "fiber-reinforced composite restorations". Of the assessed articles selected (N = 70), most were laboratory-based research with various test specimen designs prepared according to the ISO standard or with extracted teeth; only four articles were clinical reports. A common finding was that by combining the SFRC as a bulk base with conventional composite, the load-bearing capacity and failure mode of the material combination were improved, as compared to plain conventional composite restoration. In the reviewed studies, the biomimetic restoration technique of using SFRC showed promising characteristics, and therefore, might be recommended as an alternative treatment option for large cavities.

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“…Although previous studies have used natural tooth cusps from unerupted maxillary third molars as antagonists, given the variations in enamel and sublayers, the present study used stainless steel balls in order to ensure standardization. Previous studies have stated that water absorption during the first 7 days of use may significantly affect the microhardness values of resin composites, while Chadwick et al found no significant differences in the microhardness and wear resistance of three direct composite materials after storage in water for 1 week and 1 year. Therefore, the present study examined microhardness and wear after 7 days.…”

Section: Resultsmentioning

confidence: 92%

Effect of different storage media on the microhardness and wear resistance of resin‐matrix ceramics

Dayan

Mumcu

2019

Int J Applied Ceramic Tech

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Surface and bulk properties of dental resin- composites after solvent storage

Cited by 63 publications

References 64 publications

Food Simulating Organic Solvents for Evaluating Crosslink Density of Bulk Fill Composite Resin

Food Simulating Organic Solvents for Evaluating Crosslink Density of Bulk Fill Composite Resin

Short fiber‐reinforced composite restorations: A review of the current literature

Effect of different storage media on the microhardness and wear resistance of resin‐matrix ceramics

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