Laser Treatment in Dentistry—A review

Latha, S; Thirugnanasambandan, T. S.; Meenakshiudayani, T. S.; Latha, M.; Prasanth, B. Krishna

doi:10.5958/0976-5506.2019.00983.5

Cited by 1 publication

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“…The main difference between laser and other light sources is that lasers emit a well-defined monochromatic beam. Various diode lasers are used for bleaching at 790-980-nm wavelength 8 . The laser wavelength is selected based on the relationship between light and the target tissue.…”

Section: Introductionmentioning

confidence: 99%

Effect of conventional and power office bleaching with diode laser and led light on enamel microhardness

et al. 2022

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Aim: The present study aimed to asses enamel microhardness after office bleaching with diode laser and LED light compared to the conventional bleaching procedure. Methods: Thirty-nine human premolar teeth were collected and randomly divided into three groups regarding of the bleaching technique. Group 1: Snow O bleaching gel with LED light-curing unit; Group 2: Snow L bleaching gel with diode laser irradiation; and Group 3: Opalescence Boost bleaching gel with no light source in group 3. Enamel surface changes were evaluated in one tooth in each study group and one intact tooth as a reference under a scanning electron microscope (SEM). In the remaining samples (n=12), enamel microhardness was determined by Vickers microhardness test before and after bleaching. Data were analyzed with repeated-measures ANOVA to compare microhardness changes, followed by post hoc Tukey tests at the 0.05 significance level. Results: Enamel microhardness decreased in all the groups after bleaching, with the maximum decrease in microhardness in the Snow O bleaching group with LED light, which was significantly higher than the other groups (P=0.002). The two other groups did not exhibit any significant difference in microhardness decrease (P>0.05). Conclusion: Based on the limitations of this study, it can be concluded power bleaching with 980nm diode laser was less time-consuming compare to conventional bleaching procedure and yielded better outcomes in terms of enamel surface microhardness compared to the use of an LED light-curing unit.

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Section: Introductionmentioning

confidence: 99%