Table 2 Parameters of phototherapy
Parameters | Laser group | LED group |
|---|---|---|
Wavelength (nm) | 780 | 780 |
Target area (cm2) | 130 | 130 |
Spot area (cm2) | 43 | 3.58 |
Power (mW) | 60 | 5 |
Irradiation time (s) | 600 | 600 |
Points irradiated | 3 | 36 |
Energy per point (J) | 36 | 3 |
Total energy (J) | 108 | 108 |
Radiant exposure (J/cm2) | 0.8 | 0.8 |
Irradiance (mW/cm2) | 1.38 | 1.38 |