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http://dx.doi.org/10.15207/JKCS.2021.12.7.125

Convergence study of blue light transmittance comparison between tips for light curing machine and commercially available blue light blocking lenses and yellow tinted lenses  

Lee, Sook-Jeong (Dept. of dental Hygiene, Silla University)
Publication Information
Journal of the Korea Convergence Society / v.12, no.7, 2021 , pp. 125-131 More about this Journal
Abstract
Blue light with strong energy is required for light-curing resin treatment, which is being used more frequently in dentistry. To reduce the risk of exposure to scattered light, we tried to use colored lenses. The tips for light curing machine and a commercially available yellow-type blue-light blocking lens and a yellow lens colored with yellow dye, which are expected to be effective in blocking blue light, were placed in a UV-Vis spectrometer device, and transmission and blocking of blue light were tested respectively. As a result, the average blue light blocking rate of the light curing machine tips was 99.49%, and the C lens with the highest color density among commercially available lenses showed a high blue light blocking rate of 99.54%. In the case of lenses tinted with yellow, the yellow tinted C lens with the highest tint concentration showed 87.57% of blue light blocking rate. It is judged that the side effects related to the eyes caused by blue light can be reduced if a yellow-type commercially available or colored lens is worn along with a light curing machine tip during resin treatment.
Keywords
Tips for light curing machine; Commercially available lens; Yellow tinted lens; Blue light; Transmittance; Convergence;
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