Table 1.
Technical specifications of the blue-light irradiation device (MR4 ACTIVet PRO, Multi Radiance Medical, Solon, USA).
| Visible blue light radiation | 465-nm |
| Average blue light power | 200 mW |
| Mode | Continuous |
| Radiation aperture | 4 ± 0.4 cm2 |
| Magnetic induction | 35 ± 10 mT |
| Irradiation time | 15, 30, 60 min |
| Energy density at the aperture | 28, 56, and 112 J/cm2 |
| Overall dimension | 203 × 64 × 70 mm |