The gel is used on all surfaces of the head to reduce friction and assist transmission of the ultrasonic waves. Therapeutic ultrasound in physical therapy is alternating compression and rarefaction of sound waves with a frequency of 0.7 to 3.3 MHz Maximum energy...
O-Star / O Star Pro Wide Spectrum 1s Curing Light from Woodpecker. The uniform beam promotes complete photo-initiator reaction within the resin enhancing the resign curing effectiveness. The O-Star / O Star Pro Curing light is small but POWERFUL.
