Fabrication And Characterization Of Experimental Nanocomposites For Dental Restoration

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dc.contributor.authorTuan Rahim, Tuan Noraihan Azila
dc.date.accessioned2018-07-11T07:33:40Z
dc.date.available2018-07-11T07:33:40Z
dc.date.issued2012
dc.description.abstractCurrently, restorative dental composites have become preferred among patients due to their aesthetic characteristic and also their durability. The high costs of composites, as well as the rising demand by patients have lead researchers to produce a local product with equivalent standard as compared to the commercially available dental composites. Recently, monodispersed, spherical silica nanofillers with a size range of 10-20 nm were successfully synthesized via a sol-gel process and have a great potential to be used in fabrication of dental composites. Therefore, this present study was carried out to fabricate and characterize the experimental dental nanocomposite from the synthesized nanosilica fillers. Dental composites, namely experimental nanocomposite 1 (ENC1) and experimental nanocomposite 2 (ENC2) with two different filler content, 30 and 35 wt% respectively were fabricated, molded and polymerized with a light curing unit for 40 s. The properties that were tested including their flexural strength, modulus, compressive strength, micro hardness, degree of conversion, volumetric shrinkage, water sorption, solubility, surface roughness as well as filler distribution. The data obtained were statistically analyzed with One-Way ANOVA with the level of significance p=0.05. Various type of commercial composites i.e. FiltekTM Z350 (nanocomposite), Spectrum® TPH®3 (microhybrid), Z100TM (hybrid) and Durafill® VS (microfilled) were chosen to compare their properties with the experimental nanocomposites. The properties of composites were also referred to the ISO and ANSI/ADA No. 27 requirements. From the results obtained, it can be summarized that the experimental nanocomposites and commercial composites complied with the ISO and ANSI/ADA No. 27 requirements. Similar properties can be found between experimental nanocomposites and Durafill® VS (microfilled composite) regarding their flexural strength, modulus, compressive strength, hardness and also surface roughness. These properties are sufficiently to be applied at the anterior restoration.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/5906
dc.language.isoenen_US
dc.publisherUniversiti Sains Malaysiaen_US
dc.subjectFabrication and characterization ofen_US
dc.subjectexperimental nanocomposites for dental restorationen_US
dc.titleFabrication And Characterization Of Experimental Nanocomposites For Dental Restorationen_US
dc.typeThesisen_US
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