Scanning electron microscopy investigation of tooth/filling bonding

Siejka-Kulczyk, Joanna; Lewandowska, M.; Raczyńska, Marta; Jodkowska, Elżbieta; Kurzydłowski, Krzysztof J.

doi:10.1515/epoly.2005.5.1.394

Cited by 1 publication

(2 citation statements)

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“…The results are compatible with the results of other authors [8,21]. The samples cured with LED LCU achieve a significantly higher microhardness then the samples cured with halogen LCU.…”

Section: Discussionsupporting

confidence: 92%

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Influence of the Light Source and Curing Parameters on Microhardness of a Silorane-Based Dental Composite Material

Malara

Czech

Świderski³

2016

Archives of Metallurgy and Materials

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The aim of the study was to determine the influence of the light source and the light-curing parameters (the distance of the material from the light source and time of light-curing) on microhardness of Flitek Silorane dental composite material. Standardized samples of Filtek Silorane material were cured using two types of Light Curing Units (LCUs) – halogen and LED. The distance of the light source and time of curing differed between samples. The Knoop’s microhardness was tested using microhardness tester Micromet 5103. Using LED light curing unit allowed to achieve significantly higher microhardness of silorane-based dental material Filtek Silorane than using halogen light curing unit. Decreasing the distance from the light source to the surface of silorane-based material Filtek Silorane improved its microhardness. A prolonged curing time could compensate the drop in microhardness of Filtek Silorane material resulting from an increased distance from the light source to the surface of the material only in a limited range of intervals.

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“…The results are compatible with the results of other authors [8,21]. The samples cured with LED LCU achieve a significantly higher microhardness then the samples cured with halogen LCU.…”

Section: Discussionsupporting

confidence: 92%

“…Hardness is one of the most important properties related to the resistance of the surface to deformation, indentation or scratching under external load [8]. Hardness of dental composites is influenced by many factors, such as: the content of organic matrix, type and content of the filler and the resin's degree of conversion [5].…”

Section: Introductionmentioning

confidence: 99%