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Number of viable cells (%) detected by the trypan blue assay, according to the energy doses used in the low-level laser therapy.
| Energy dose (J/cm2) | Number of viable cells (%) |
|---|---|
| 0 (control) | 100 (95–104) B∗ |
| 0.5 | 133 (112–175) A |
| 3 | 168 (149–181) A |
Values expressed as medians of SDH production (P25–P75) (n = 8). ∗Same letters indicate no statistically significant difference (Mann-Whitney, P > 0.05).
