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KMID : 0358920180450010082
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Journal of the Korean Academy of Pedodontics
2018 Volume.45 No. 1 p.82 ~ p.89
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Antimicrobial Effect on Streptococcus mutans in Photodynamic Therapy using Different Light Source
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Kim Jae-Yong
Park Ho-Won
Lee Ju-Hyun
Seo Hyun-Woo
Lee Si-Young
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Abstract
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In a photodynamic therapy, the difference of antibacterial capacity was compared according to the type of source of light when the same quantity of energy is irradiated. After S. mutans is formed in planktonic state and biofilm state, erythrosine diluted to 40 μM was treated for 3 minutes, and as the type of light source, Halogen, LED, and Plasma arc were used, which were irradiated for 30 seconds, 15 seconds and 9.5 seconds, respectively. After the completion of the experiment, CFU of each experiment arm was measured to compare the photodynamic therapeutic effects according to each condition. The CFU of each experiment arm had no statistically significant difference. Under the same quantity of energy, the photodynamic therapeutic effect can be said to be the same regardless of types of light source, which is a useful result in the clinical field with various light irradiators.
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KEYWORD
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Photodynamic therapy, Erythrosine, Streptococcus mutans, Biofilm, Light source, Energy, Halogen, Light-Emitting Diode, Plasma arc
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