Table 1 Parameters used for PBMT

Wavelength (nm)

980 nm

Power (mW)

200 mW

Irradiation time (seconds)

60 s

delivery tip diameter (cm)

4 × 1 cm

power density (mW/cm²)

50 mW/cm²

Energy density (J/cm²)

3 J/cm²

Total amount of energy (J)

12 J

Application distance (cm)

1 cm (non-contact)

Mode

Continuous wave

Frequency of treatment

4 times (immediately after surgery and at days 3, 7 and 14)