PROXI HEALTHCARE provides innovated healthcare service based on integrated technology. The key technology is a unique electromagnetic wave (called TROMATZ Electromagnetic wave) which is optimized in reduction of biofilm via specific electrical resonance. The first step to commercialize this innovative technology is the TROMATZ Electromagnetic Wave Toothbrush. TROMATZ toothbrush is proven to remove dental plaque and improve gum infections without any vibration, sound, or irritation. TROMATZ Wave technology can be applied to various industrial fields such as removing microbes that adhere to the surface of ships, automobiles, and other places.