Table 1 Laser parameters

Model

epicX

Laser system

GaAlAs

Photobiomodulation probe

Whitening handpiece

Probe spot size

2.8 cm²

Wave length

940 nm

Power density

0.075 W/cm²

Power

0.21 W

Mode

Continuous wave

Application distance

2–3 mm (non-contact)

Fluence

5 J/cm²

Duration of each treatment session

30 Sec

Frequency of treatment

6 times (48 h interval)

Cumulative dose

6.3 J

Fiber optic

μ 400