Evaluation Of Mechanical Properties Of Z250 Composite Resin Light-cured By Different Methods.

dc.creatorObici, Andresa Carla
dc.creatorSinhoreti, Mário Alexandre Coelho
dc.creatorCorrer-Sobrinho, Lourenço
dc.creatorGóes, Mário Fernando de
dc.creatorConsani, Simonides
dc.date2005-Dec
dc.date2015-11-27T13:02:46Z
dc.date2015-11-27T13:02:46Z
dc.date.accessioned2018-03-29T01:02:03Z
dc.date.available2018-03-29T01:02:03Z
dc.identifierJournal Of Applied Oral Science : Revista Fob. v. 13, n. 4, p. 393-8, 2005-Dec.
dc.identifier1678-7757
dc.identifier
dc.identifierhttp://www.ncbi.nlm.nih.gov/pubmed/20865226
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/196574
dc.identifier20865226
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1296807
dc.descriptionThis study evaluated some mechanical parameters of Z250 composite resin using different light-curing methods. Ten specimens were prepared for each mechanical test group with different dimensions according to the test. Light-curing was performed by: a). continuous light (800mW/cm²-40s); b). exponential light (0-800mW/cm²-40s); c). intermittent light (2s-600mW/cm²; 2s without light-80s); d). stepped light (10s-150mW/cm²; 30s-650mW/cm²); e). PAC (1320mW/cm²-3s); f). LED (350mW/cm²-40s). After 24 ± 1 h, the specimens were loaded at a crosshead speed of 0.5 mm/min until fracture. The mechanical properties were calculated and analyzed by ANOVA and Tukey test (5%). The results showed that the highest compressive strength values were found for the continuous, exponential, intermittent and stepped light methods, whereas PAC and LED obtained the lowest values. LED, stepped light, PAC, exponential and continuous light presented the highest values for diametral tensile strength. The intermittent light showed the lowest value, which was significantly lower than the value obtained for LED only. Flexural strength results were not significantly different between all light-curing methods. Finally, the highest modulus of elasticity values were obtained for LED, exponential, continuous and intermittent light, whereas PAC and stepped light showed the lowest values. The mechanical properties were affected by light-curing methods employed.
dc.description13
dc.description393-8
dc.languageeng
dc.relationJournal Of Applied Oral Science : Revista Fob
dc.relationJ Appl Oral Sci
dc.rightsaberto
dc.rights
dc.sourcePubMed
dc.titleEvaluation Of Mechanical Properties Of Z250 Composite Resin Light-cured By Different Methods.
dc.typeArtículos de revistas


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