Ultra fast Flash heat technology Now you can heat obturators faster and just-in-time using the UseFill Heater. Due to the Flash heat technology it takes 2 to 5 seconds to heat obturators depending on the sizes and material. Reliable and constant temperature The UseFill Heater produces a reliable constant temperature. Due to this constant temperature, the flow characteristics of your filling are always the same. Thanks to this, you achieve a higher quality treatment.