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Comparison of laser and power bleaching techniques in tooth color change

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Comparison of laser and power bleaching techniques in tooth color change

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dc.contributor.author Fekrazad, Reza es
dc.contributor.author Alimazandarani, Shervin es
dc.contributor.author Kalhori, Katayoun A.M. es
dc.contributor.author Assadian, Hadi es
dc.contributor.author Mirmohammadi, Seyed-Mahdi es
dc.date.accessioned 2017-07-19T06:49:18Z
dc.date.available 2017-07-19T06:49:18Z
dc.date.issued 2017 es
dc.identifier.citation Fekrazad, Reza ; Alimazandarani, Shervin ; Kalhori, Katayoun A.M. ; Assadian, Hadi ; Mirmohammadi, Seyed-Mahdi. Comparison of laser and power bleaching techniques in tooth color change. En: Journal of Clinical and Experimental Dentistry, 9 4 2017: 511-515 es
dc.identifier.uri http://hdl.handle.net/10550/59644
dc.description.abstract Laser-assisted bleaching uses laser beam to accelerate release of free radicals within the bleaching gel to decrease time of whitening procedure. The aim of this study was to compare the efficacy of power bleaching using Opalescence Xtra Boost® and laser bleaching technique using LaserSmile gel and diode laser as an activator in their tooth whitening capacity. Student t test showed that the laser bleaching group significantly outperformed the power bleaching group in changing ?E (p=0.977). Similarly, while comparing the groups in changing ?L, the laser bleaching group indicated significantly superior results (p=0.953). Statistical data from student t test while comparing the groups in changing the parameter of yellowness indicated that samples in laser bleaching group underwent a more significant reduction than power-bleached samples (p=0.85). Correspondingly, changes in whiteness were statistically tested through student t test, showing that laser bleaching technique increased whiteness of the samples significantly more than those treated by power bleaching (p=0.965). The digital color evaluation data was in accordance with spectrophotometry and showed that laser bleaching outperformed power bleaching technique. Both techniques were able to increase whiteness and decrease yellowness ratio of the samples. ?E decrease for laser bleaching and power bleaching groups were 3.05 and 1.67, respectively. Tooth color change in laser bleaching group was 1.88 times more than that of power bleaching group (p<0.001). It could be concluded that under the conditions of this study, both laser-assisted and power bleaching techniques were capable of altering tooth color change, but laser bleaching was deemed a more efficient technique in this regard. es
dc.title Comparison of laser and power bleaching techniques in tooth color change es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.53435 es
dc.type.hasVersion VoR es_ES

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