4 Brands Dental Curing Lights Testing Comparison by Refine Medical in Light Intensity

@Guilin Refine Medical Instrument Co., Ltd Refine Medical video shows 4 Brands of Dental #CuringLights : #Woodpecker, #RefineDental, #Eighteeth, #COXO Comparison in Light Intensity & Multi-wavelength Beam Testing at high power mode. #DentalCure Operation by #Dentist.