Publication: Comparison of Nd:YAG and Diode Laser Irradiation During Intracoronal Bleaching with Sodium Perborate: Color and Raman Spectroscopy Analysis
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2015-02-01T00:00:00Z
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SAĞLAM, BARAN CAN
KOÇAK, MUSTAFA MURAT
KOÇAK, SİBEL
TÜRKER, SEVİNÇ AKTEMUR
Arslan, Dilara
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Abstract
Objective: The aim of this study was to evaluate the color and enamel structure changes after intracoronal bleaching with sodium perborate under neodymium:yttrium-aluminum-garnet (Nd:YAG) and diode laser irradiation. Background data: Although some studies investigated the efficacy of laser irradiation during intracoronal bleaching, no study has been conducted to investigate the changes in both color and enamel structure during intracoronal bleaching with laser irradiation. Methods: Thirty-six extracted mandibular incisors were used. The root canals were prepared and filled with AH Plus and gutta-percha. Baseline color values and Raman spectra were obtained from all samples. The samples were randomly divided into three groups as follows: group 1, intracoronal bleaching with sodium perborate plus NdYAG laser irradiation; group 2, intracoronal bleaching with sodium perborate plus diode laser irradiation; and group 3, intracoronal bleaching with sodium perborate without any laser irradiation. Following the bleaching procedures, the final baseline color values and Raman spectra were obtained. The baseline and final values were statistically analyzed. Statistical analyses were performed with SPSS 18.0 software using Anova and the Kruskal-Wallis test. Results: There was a significant difference between the Nd:YAG laser and control groups (p0.05). Conclusions: Laser application, especially Nd:YAG laser irradiation, was able to increase the efficacy of intracoronal bleaching with sodium perborate. Laser irradiation significantly increased the bleaching efficacy without any changes in the enamel surface structure.
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SAĞLAM B. C. , KOÇAK M. M. , KOÇAK S., TÜRKER S. A. , Arslan D., -Comparison of Nd:YAG and Diode Laser Irradiation During Intracoronal Bleaching with Sodium Perborate: Color and Raman Spectroscopy Analysis-, PHOTOMEDICINE AND LASER SURGERY, cilt.33, ss.77-81, 2015