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The effect of laser on S. mutans viability (reference culture)
| Streptococcus mutans (ATCC 25175) | |||
|---|---|---|---|
| G1 (0.25 W, 10 Hz, 15 s, 3 J/cm2) | G2 (1 W, 10 Hz, s, 59 J/cm2) | ||
| Control | 4 × 108 cfu/ml | Control | 8.90 × 109 cfu/ml |
| Directly after irradiation | 3.5 × 108 cfu/ml | Directly after irradiation | 9.40 × 108 cfu/ml |
| Control after 24 h | 4.5 × 108 cfu/ml | Control after 24 h | 7.40 × 109 cfu/ml |
| At 24 h after irradiation | 2.6 × 108 cfu/ml | At 24 h after irradiation | 4.02 × 109 cfu/ml |
