Fig. 4From: Evaluation of bactericidal effects of ultraviolet light C irradiation on cariogenic bacteria: An in vitro studySurvival rate of S. mutans strain 10,449 exposed to different energies of UVL-C. The blue dots demonstrate the percentage survival of bacteria on the exposed site relative to control. At 21 mWs/cm2, the bacterial survival was completely eliminatedBack to article page